The purpose of the urinary system inside the body is to filter blood & produce urine as a simply passed. The kidney, renal , ureters, bladder, and urethra are among the urinary system's organs.
The sperm go from the through the urethra, which is pronounced to outside the body as fluid known as semen. Since the urethra serves as the passageway for urine as it exits the bladder & leaves the body, it is also a component of the urinary system. the organs, glands, and tissues that are used in reproduction (children). It contains the prostate, testicles in men.The purpose of the urinary system is to filter blood & produce urine as a simply passed. The kidney, renal , ureters, bladder, and urethra are among the urinary system's organs.
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How is each of these specimens sent to the pathologist? A. Frozen section
B. Calculi C. Amputated limb D. Foreign body (bullet) E Permanent section
The specimens sent to the pathologist are mentioned below.
What is specimens ?
A single plant or animal that serves as an illustration of a specific species or type and is subjected to scientific analysis is known as a specimen.
What is pathologist ?
An individual who studies bodies and body tissues is known as a pathologist. He or she is also in charge of running lab tests. A pathologist is a crucial component of the treatment team and aids in the diagnosis of other medical professionals.
A) Kept dry w/ no preservative; immediate diagnosis
B) Sent dry; preservative will dissolve or permanently alter
C) Sent dry; carefully bagged and wrapped
D) Sent dry; handled carefully, no forceps or clamps
E) Placed in preservative such as formalin
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Select the findings of Erwin Chargaff regarding DNA composition.
a. pyrimidines = purines
b. G = A
c. A = T
d. G=C
e. C = T
The correct options are a. pyrimidines = purines,d. G=C. Erwin Chargaff was a biochemist who made significant contributions to the understanding of DNA composition.
He observed that the amount of adenine (A) in DNA is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This is known as Chargaff's rule, and it indicates that the four nucleotide bases in DNA are paired in specific ways: A with T, and G with C. Therefore, options b and c (G = A and A = T) and option e (C = T) are incorrect . Option a (pyrimidines = purines) is correct because Chargaff also observed that the total amount of pyrimidines (C and T) in DNA is equal to the total amount of purines (A and G), which is in agreement with the base-pairing rule. Option d (G = C) is correct because it is part of the base-pairing rule.Chargaff discovered that in DNA, the amount of adenine (A) is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This is known as Chargaff's rule, and it was an important clue that helped Watson and Crick to discover the base-pairing rule that holds the two strands of the double helix together. Chargaff's rule means that the four nucleotide bases in DNA are paired in specific ways: A with T, and G with C. The base-pairing rule states that the hydrogen bonds between the bases in the double helix are formed only between A and T, and between G and C. This means that the sequence of one strand of the double helix can be used to predict the sequence of the other strand. Chargaff also observed that the total amount of pyrimidines (C and T) in DNA is equal to the total amount of purines (A and G).
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_____ are structures composed of specialized tissues and performing functions.
Organs. An organ is a bodily structure that consists of two or more different tissue types and serves a particular purpose for the body. The liver, stomach, brain, and blood are distinct organs with distinct jobs to do.
Structures seen in plants and animals that are made of specialised tissues and are intended to carry out certain tasks. AKA Systems are collections of bodily organs that work together to carry out one or more tasks. the number of main organs in the body. An organ system is a collection of organs that cooperate to carry out a particular task. The circulatory system, which consists of many organs like the heart, arteries, veins, and capillaries, is an illustration of an organ system.
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what always reproducing in a host cell
Viruses always reproduce in a host cell. They are obligate intracellular Parasites, which means that they require a host cell to replicate and Produce new virus particles.
The virus attaches to the surface of the host cell and injects its genetic Material into the cell. Once inside, the virus hijacks the host cell's Machinery to produce new virus particles. The genetic material of the Virus Directs the host cell to produce viral proteins and assemble new Virus Particles.
The newly formed virus particles then leave the host cell, either by Causing The host cell to burst open (lysis) or by budding out of the cell Membrane. The new virus particles can then go on to infect new cells And continue the Cycle of replication.
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Which of the evolutionary forces is most likely to decrease variation between populations (i.e., which of the forces is most likely to make two different populations more similar at the genetic level)?
The evolutionary force that is most likely to decrease variation between populations is gene flow. Gene flow is the movement of genes from one population to another population.
What is Genes?
Genes are segments of DNA that contain the instructions for the development, function, and reproduction of all living organisms. Genes are responsible for the traits and characteristics that are passed down from one generation to the next. Each gene carries a specific set of instructions for the production of a particular protein, which in turn plays a role in the structure and function of cells and tissues. The study of genes and their inheritance is known as genetics.
As genes flow between populations, the genetic makeup of the populations becomes more similar. This can reduce the genetic differences between populations and can increase genetic diversity within a population.
Gene flow is one of the four major evolutionary forces, along with natural selection, genetic drift, and mutation. It occurs when individuals or their gametes (sperm or egg cells) move from one population to another. This transfer of genetic material can occur through various mechanisms, such as migration, mating between individuals from different populations, or dispersal of seeds or spores.
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glycolysis is the metabolic pathway that group of answer choices splits glucose into two molecules of pyruvate creates glucose molecules from glycogen generates glucose from glucogenic amino acids synthesizes glycogen
Glycolysis is a metabolic pathway that : splits glucose into two molecules of pyruvate.
What is meant by glycolysis?Glycolysis is defined as a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
Glycolysis is that metabolic pathway that converts glucose into pyruvate and free energy released during the biochemical reactions in glycolysis is used to generate net gain of two molecules of ATP.
Glycolysis is linear metabolic pathway of enzyme-catalyzed reactions that converts glucose into two molecules of pyruvate and in the presence of oxygen or two molecules of lactate in absence of oxygen.
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neural synchrony is a phenomenon that explains why yellow objects always fire at the same neural response frequency, while blue objects fire at a different neural response frequency. T/F
False. Neural synchrony is not a phenomenon that explains why yellow objects always fire at the same neural response frequency, while blue objects fire at a different neural response frequency.
The coordination of brain activity among several neurons or neural networks is what is meant by the term "neural synchrony." It is believed that the brain needs to coordinate its neural activity in order to process information effectively.
A bigger neural response results when many neurons fire in a coordinated fashion. It is believed that this synchronisation enables the coordination of neuronal activity throughout the brain required to create memories and perform challenging cognitive tasks.
Moreover, it has been proposed that synchronisation plays a part in the communication between neurons, allowing them to react swiftly and precisely to inputs.
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When several EPSPs arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential, this is an example ofA) temporal summation. B) spatial summation.C) tetanus.D) the refractory state.E) an action potential with an abnormally high peak of depolarization.
Option B).Spatial summation is the process by which several EPSPs arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential.
In this process, the effects of different synapses are added together based on their spatial location on the b, leading to the initiation of an action potential.Temporal summation (A) is the process by which EPSPs generated at the same synapse arrive in rapid succession, leading to the initiation of an action potential. Tetanus (C) is a sustained contraction of a muscle caused by a rapid series of action potentials in the motor neurons. The refractory state (D) refers to a period of time after the initiation of an action potential during which the neuron is less responsive to additional stimuli. An action potential with an abnormally high peak of depolarization (E) is not a recognized physiological process.The axon hillock is the region of a neuron where action potentials are generated. EPSPs (excitatory postsynaptic potentials) are graded potentials that result from the binding of neurotransmitters to receptors on the postsynaptic neuron. When several EPSPs arrive at the axon hillock from different dendritic locations, they can summate, or add together, to reach the threshold for an action potential. Spatial summation is the process by which the effects of different synapses are added together based on their spatial location on the neuron. EPSPs that occur closer to the axon hillock will have a greater effect on the neuron's membrane potential than EPSPs that occur further away. If the combined effect of the EPSPs exceeds the threshold for an action potential, an action potential will be initiated and propagated down the axon.
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after a person consumes a glass of soy milk, where does the majority of the digestion and absorption of the protein occur? answer unselected pancreas unselected small intestine unselected mouth unselected stomach unselected i don't know yet
The majority of the digestion and absorption of protein from soy milk occurs in the small intestine.
Where does the digestion of proteins occur?The small intestine is the major site for the digestion of proteins.
Once the soy milk reaches the small intestine, the pancreas secretes enzymes, such as proteases, which break down the proteins into smaller peptides and amino acids. These smaller molecules are then absorbed through the lining of the small intestine and enter the bloodstream, where they are transported to various cells and tissues throughout the body for use in growth, repair, and maintenance.
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A scientist inserts do you luciferase Gene
into the DNA of cells from another organism. If these cells produce light the scientist knows what happened?
A scientist inserts the luciferase gene into the DNA of cells from another organism. If these cells produce light, the scientist knows that The luciferase gene was transcribed and translated. option 1)
The class of oxidative enzymes that cause bioluminescence are collectively referred to as luciferases, which are often differentiated from photoproteins. Raphael Dubois, who coined the terms luciferin and luciferase for the substrate and enzyme, respectively, was the first to use the name.
The origin of both phrases is the Latin word lucifer, which means "lightbearer" and is itself a derivative of the Latin words for "light" (lux) and "to convey or carry" (ferre).
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Full Question : A scientist inserts the luciferase gene into the DNA of cells from another organism. If these cells produce light, the scientist knows that which of the following occurred?
The luciferase gene was transcribed and translated.A relatively stable internal environment, within limitsinformation in the cow's chromosomesSelect all the components of the cell theory as outlined by Schleiden, Schwann, and Virchow a.All coll come from pre-existing cells b.Variations in coll structure are the basis of evolutionary change C. All objects are made of one or more coll D. The cell is the basic unit of life e. A cell is only considered alive when it interacts with other cells F. In a multicellular organism, each cell is an organism in its own way
The components of the cell theory as outlined by Schleiden, Schwann, and Virchow are all coll come from pre-existing cells, the cell is the basic unit of life, and a cell is only considered alive when it interacts with other cells.
What is Cell theory?Cell theory is a scientific principle first formulated in the mid-19th century, that living organisms are made up of cells, that they're the basic structural organizational unit of all organisms, and that each cell come from pre-present cells.
The Cell theory states that all biological organisms are composed of cells; cells are the unit of lifestyles and all lifestyles come from pre existing life.
Therefore, The components of the cell theory as outlined by Schleiden, Schwann, and Virchow are all coll come from pre-existing cells, the cell is the basic unit of life, and a cell is only considered alive when it interacts with other cells.
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Uptake of cholesterol in to cells is an example of how small molecules are taken up by endocytosis. In this process of cholesterol uptake, what stimulates the cell to begin forming endocytotic vesicles?
a. Binding of the cholesterol to the phospholipids in the plasma membrane.
b. Insertion of the cholesterol into the phospholipids bilayer.
c. Binding of the LDL particles to receptors in the membrane.
d. Binding of the LDL particles to particular glycolipids in the membrane.
In this process of cholesterol uptake, Binding of the LDL particles to receptors in the membrane stimulates the cell to begin forming endocytotic vesicles.
The uptake of cholesterol into cells occurs through receptor-mediated endocytosis. In this process, low-density lipoprotein (LDL) particles in the bloodstream bind to specific receptors on the surface of the plasma membrane.
This binding triggers the formation of clathrin-coated pits on the cytoplasmic side of the membrane, which invaginate and pinch off to form endocytic vesicles. The vesicles containing the LDL particles are then transported to endosomes, where the LDL is released from the receptor and delivered to the lysosome for degradation.
The binding of the LDL particles to the specific receptors on the membrane stimulates the formation of endocytic vesicles. Binding of the cholesterol to the phospholipids in the plasma membrane (option a) or insertion of cholesterol into the phospholipid bilayer (option b) do not directly stimulate the formation of endocytic vesicles.
Hence, the correct option is C.
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how did uniformitarianism influence the evolution theory
The uniformitarian hypothesis states that we can deduce long-term trends from those we have only recently noticed.
In its more extreme definition, it asserts that processes in use now may extrapolate over lengthy time periods to account for the evolution of the world and life.According to Darwin, evolution occurs through natural selection as a result of slow environmental change. This is similar to uniformitarianism, which things change continuously.The evolution theory has a lot of information about the evolution and we can understand more about the evolution with the help of this theory.
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A rather large population of sheep can have either hairy fleece or wooly fleece. Hairy fleece is the dominant phenotype, while wooly fleece is the recessive phenotype. If 78% of the population of sheep have hairy fleece then calculate a) the allele frequencies and b) the percentage of the population that would be heterozygous.
a) To calculate the allele frequencies, we can use the Hardy-Weinberg equation:
p^2 + 2pq + q^2 = 1
where p is the frequency of the dominant allele (H) and q is the frequency of the recessive allele (h).
We know that hairy fleece (H) is dominant and that 78% of the population has hairy fleece, so we can write:
p^2 + 2pq + q^2 = 1
p^2 + 2p(0.78) + (0.22)^2 = 1
p^2 + 1.56p + 0.0484 = 1
p^2 + 1.56p - 0.9516 = 0
Solving for p using the quadratic formula, we get:
p = (-1.56 ± √(1.56^2 - 4(1)(-0.9516))) / (2(1))
p = (-1.56 ± 1.667) / 2
Since p cannot be negative, we take the positive solution:
p = 0.553
So the frequency of the dominant allele (H) is 0.553, and the frequency of the recessive allele (h) is:
q = 1 - p = 1 - 0.553 = 0.447
b) The percentage of the population that would be heterozygous can be calculated using the equation:
2pq
where p and q are the allele frequencies. So we can substitute the values we calculated above and solve:
2pq = 2(0.553)(0.447) = 0.494 or 49.4%
So about 49.4% of the sheep population would be expected to be heterozygous for the hairy and wooly fleece alleles.
Since hairy fleece is the dominant phenotype and the frequency of this phenotype in the population is 78%, we can assume that the frequency of the dominant allele (H) is q² = 0.78, where q is the frequency of the recessive allele (h).
What does the dominant and the recessive mean ?This means that about 21.1% of the population would carry one copy of the dominant allele and one copy of the recessive allele, and would exhibit the dominant phenotype.
To solve for q, we can take the square root of both sides:
q = √0.78 ≈ 0.88
Therefore, the frequency of the recessive allele (h) is 0.12.
To calculate the percentage of the population that would be heterozygous (Hh), we can use the Hardy-Weinberg equation:
p² + 2pq + q² = 1
where p is the frequency of the dominant allele (H) and q is the frequency of the recessive allele (h).
Substituting in our values, we get:
(0.88)² + 2(0.88)(0.12) + (0.12)² = 0.7744 + 0.2112 + 0.0144 = 1
Therefore, the percentage of the population that would be heterozygous is:
2pq x 100% = 2(0.88)(0.12) x 100% ≈ 21.1%
So approximately 21.1% of the population would be heterozygous for the hairy and wooly fleece alleles.
Thus, With a frequency of 78% for the dominant phenotype (hairy fleece), we can assume that the frequency of the dominant allele (H) is q² = 0.78 and the frequency of the recessive allele (h) is 0.12. Using the Hardy-Weinberg equation, we can calculate the percentage of the population that would be heterozygous (Hh) as approximately 21.1%.
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explain how the spindle apparatus ensures that daughter cells receive a full copy of the genetic material of the parent cell.
By arranging an equal number of chromomes in each pole during cell division, the spindle apparatus makes sure that daughter cells receive a complete copy of the genetic material of the parent cell.
The mitotic spindle is a structure in the cell that is composed of microtubules. These help to segregate chromosomes into daughter cells. These spindles are formed when the nuclear envelope begins to break during the prometaphase of mitosis.
This attaches to the replicated chromosomes and helps to separate them equally to opposite poles in the cell. This thereby ensures that each daughter cell gets the accurate number of chromosomes during cell division.
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how much of human dna is different from one person to the next?
Human DNA is highly similar from one person to the next, with an average of 99.9% similarity in the nucleotide sequences that make up the genome.
However, even a 0.1% difference in DNA can translate to millions of variations in the genome, which can have significant effects on an individual's traits, susceptibility to diseases, and response to drugs.
There are several types of genetic variation that can occur between individuals, including single nucleotide polymorphisms (SNPs), copy number variations (CNVs), and structural variations (SVs). SNPs are the most common type of genetic variation and involve the substitution of a single nucleotide at a specific location in the genome.
CNVs involve changes in the number of copies of a particular DNA segment, while SVs involve changes in the structure of the genome, such as insertions, deletions, and inversions of DNA segments.
The exact amount of genetic variation between individuals varies depending on the specific loci and types of variation considered, as well as the population and geographic region of origin. However, studies estimate that there are about 4-5 million SNPs in the human genome, and that any two unrelated individuals are likely to differ by about 1 in every 1,000 nucleotides (or 3 million nucleotides in total).
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what a food intolerence ?
Answer:
A food intolerance is when you have difficulty digesting certain foods or ingredients in food. It's not usually serious, but eating the food you're intolerant to can make you feel unwell.
an enzyme binds the product more tightly than the substrate.(true or false)
The given statement is False. An enzyme binds the product more tightly than the substrate. An enzyme catalyzes a chemical response in the cell but can only be used formerly.
The active point of an enzyme binds the substrate of the response it catalyzes more tightly than the transition state intermediate. Enzymes bind with chemical reactants called substrates. Depending on the particular chemical response, each type of enzyme may have one or further substrates. In some responses, a single-reactant substrate is broken down into multiple products.
Suppose it this way if an enzyme were to bind to( and stabilize) its substrate( s) more tightly than it bound to( and stabilized) the transition state, it would actually decelerate the response because it would be adding the energy difference between starting state and the transition state.
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What type of niche would be occupied by organisms in deep sea coral reefs, why?
The organisms that inhabit these environments have adapted to survive in these conditions and occupy a unique niche within the ecosystem.
Survival in Deep Sea Coral NichesDeep sea coral reefs are found in the dark depths of the ocean, typically at depths of over 200 meters. These habitats are often characterized by extreme environmental conditions, such as high pressure, low temperature, and low oxygen levels. As a result, the organisms that inhabit these environments have adapted to survive in these conditions and occupy a unique niche within the ecosystem.
One of the key niches occupied by organisms in deep sea coral reefs is the benthic (or seafloor) niche. Many species of coral, sponges, and other sessile animals are found in these environments, which attach themselves to the seafloor and filter feed on organic particles that drift by in the water column. These organisms have evolved a variety of specialized structures, such as tentacles or filters, to capture their food.
Because the deep sea is a relatively nutrient-poor environment, many organisms have adapted to feed on the remains of other organisms that have sunk to the seafloor. This includes scavengers such as crabs, shrimp, and sea stars, which help to recycle nutrients and maintain the overall health of the ecosystem.
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FIRST TO ANSWER GETS BRAINLIEST
put the animals from the food web into food pyramid (producer, primary consumer, secondary consumer, and tertiary consumer)
Food pyramids represent food webs or chains. Producers are located on the base of the pyramid, while the last links are located on the top of the pyramid. 1st level ⇒ producers ⇒ tree, shrub, grass, 2nd level ⇒ herbivores ⇒ giraffe, rhino, grasshopper, mouse, impala, 3rd level ⇒ carnivore ⇒ fiscal shrike, caracal, lion, 4th level ⇒ carnivore ⇒ snake, baboon, shunk, leopard, 5th level ⇒ vulture.
What is a food pyramid?
A food pyramid is the representation of a food web drawn as a pyramid, in which the lowest levels are located on the base of the pyramid, while the highest levels are placed on the upper part.
1st level ⇒ producers ⇒ on the pyramid base2nd level ⇒ herbivores ⇒ follow producers3rd level ⇒ carnivores ⇒ follow herbivores4th level ⇒ carnivores ⇒ follow carnivores from the anterior levellast level ⇒ top predators ⇒ on the top of the pyramidEnergy flows from the bottom to the top of the structure, and as it does, part of it is lost to the environment as heat, following the 10% rule.
In the exposed web,
1st level ⇒ producers ⇒ tree, shrub, grass2nd level ⇒ herbivores ⇒ giraffe, rhino, grasshopper, mouse, impala3rd level ⇒ carnivore ⇒ fiscal shrike, caracal, lion4th level ⇒ carnivore ⇒ snake, baboon, shunk, leopard5th level ⇒ vultureYou can learn more about a food pyramid at
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Tourist experiences among unique wildlife and ecosystems
A. habitat conservation
B. germ plasm banks
C. legal protection
D. ecotourism
The correct option is D; Ecotourism , Ecological life support: Biodiversity creates healthy environments that produce oxygen, clean air and water, pollinate plants, manage pests, handle sewage, and perform a variety of other ecosystem functions.
Tropical woods are frequently centers for biodiversity and are frequently home to endemic species. The Congo Basin, New Guinea/Melanesian Islands, and the Upper Amazonia/Guyana Shield have the most unique terrestrial (land-living) species on Earth. The best method to save species is to safeguard entire ecosystems because species that are restricted to a limited region could be snuffed out by a single natural catastrophe. Some animals need a wide area to locate sufficient sustenance or mates.
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what process is the formation of rubp from g3p molecules
In the third stage of the Calvin cycle, which is known as the regeneration stage, some of the G3P molecules produce glucose, while others are used in order to regenerate the RuBP acceptor.
Calvin cycle, which is also sometimes known as the C3 cycle or the light-independent reaction or even the dark reaction of the photosynthesis. However, this cycle is most active during the day time when NADPH as well as the ATP are present abundantly. In order yo build organic molecules, the plant cells basically use certain raw materials which get provided by the light reactions.
The cycle basically takes place in three stages which are known as the carbon fixation, reduction as well as the regeneration stage. In the regeneration stage, some of the G3P molecules get used in the production of the glucose, while others are used in order to regenerate the RuBP acceptor.
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the clear fluid found in whole blood in which the cells are suspended is called
The clear fluid found in whole blood in which the cells are suspended is called plasma however, when the clotting factors are removed, it is now called serum.
Plasma is the frequently forgotten part of blood. White blood cells, red blood cells, and platelets are essential to body characteristics. However, plasma also plays a key function. This fluid consists of the blood components during the frame.
The serum consists of all proteins not utilized in blood clotting; all electrolytes, antibodies, antigens, hormones; and any exogenous substances (e.g., capsules or microorganisms).
Serum does now not incorporate white blood cells (leukocytes), red blood cells (erythrocytes), platelets, or clotting elements.
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Full Question: The clear fluid found in whole blood in which the cells are suspended is called ______; however, when the clotting factors are removed, it is now called ______.
Within the electromagnetic spectrum, visible light provides the energy for photosynthesis and has a a) long wavelength and low amount of energy. b) middle-range wavelength and medium amount of energy. c) short wavelength and high amount of energy.
Within the electromagnetic spectrum, visible light provides the energy for photosynthesis and has medium-range wavelengths and medium amounts of energy. So, the correct option is B.
What is an Electromagnetic spectrum?The electromagnetic spectrum is defined as the range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies. This includes all radio waves (e.g., commercial radio and television, microwaves, radar), infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.
Within the electromagnetic spectrum, visible light provides the energy for photosynthesis and has medium-range wavelengths and medium amounts of energy.
Therefore, the correct option is B.
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what is most likely found to be bound to a protein in the body
(D) Ions that are tethered to a binding protein are probably inaccessible in the cytoplasm as well as extracellular environment. Traditionally, proteins bind calcium and magnesium.
It is still possible to respond to the question without this background information. Choices (A) and (B) must exist in respective free states in order to take part in action potentials. Choice (C) chloride is easily eliminated by the kidney, however if it were protein-bound, this wouldn't be the case. Because calcium is essential for several carefully regulated cellular activities like exocytosis (of neurotransmitters and other signals) and muscular contraction, calcium must be stored both intracellularly and in the circulation. Hence, calcium should be this I on and be able to bind to proteins.
(Which of the following is most likely to be found bound to a protein in the body?
A. Sodium
B. Potassium
C. Chloride
D. Calcium)
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which traits are autapomorphic from your tree?
On the gene trees, there were autapomorphic morphological characteristics like the mink's lack of a sagittal crest.
An autapomorphy, also known as a derived trait in phylogenetics, is a distinctive characteristic that is specific to a particular taxon. In other words, it is unique to one taxon and not present in any outgroup taxa or other taxa, not even those that are most closely related to the primary taxon (which may be a species, family or in general any clade).
Autapomorphy can be seen in the flight feathers that birds have as a defining characteristic and in the ability to speak in humans.
The morphological (body form), biochemical, behavioral, or molecular characteristics of species or other groupings can be used to construct a phylogenetic tree. Building a tree requires planning. While creating a tree, species are grouped together based on similar derived features (characteristics that differ from those of the group's progenitor).
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what do porifera (sponges), ctenophora (comb jellies) and cnidaria (jellyfish, corals, anemones, and hydroids) have in common regarding symmetry?
Answer:
They are non-bilaterian.
Explanation:
All the animals you listed are non-bilaterian; any organism that lacks bilateral symmetry is non-bilaterian, which is what all of those have in common.
There are multiple ways (portals) for pathogens to enter the body. Indicate which portals of entry are used for the skin/integumentary system,
A. Natural openings, moisture, punctures, and scrapes B. Lotions, cuts, punctures, and scrapes C. Natural openings, cuts, punctures, and scrapes
There are multiple ways (portals) for pathogens to enter the body. Indicate which portals of entry are used for the skin/integumentary system, Answer is a) Natural openings, cuts, punctures, and scrapes
The integumentary system is the collection of organs that make up an animal's body's outermost covering. It consists of the skin and its appendages, which operate as a physical barrier between the exterior and interior environments, protecting and maintaining the animal's body. It is mostly the body's outer skin.
Hair, scales, feathers, hooves, and nails are all part of the integumentary system. It also serves to maintain water balance, protect deeper tissues, excrete wastes, and regulate Core temperature body, and it is the attachment point for sensory receptors that detect pain, sensation, pressure, and temperature.
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the effect of hormones is slower than the effect of neurotransmitters because hormones
The effect of hormones is slower than the effect of neurotransmitters because hormones are released into the bloodstream and must travel to their target cells throughout the body.
This means that hormones must first be transported from their site of Release to their target cells via the circulatory system, which can take some time. Once hormones reach their target cells, they bind to specific Receptors on the cell surface or inside the cell.
In contrast, neurotransmitters are released by neurons and act rapidly on their target cells, which are usually in close proximity to the releasing Neuron.
Overall, the slower effect of hormones allows for more sustained and long-lasting changes in the body, while the rapid effect of Neurotransmitters allows for quick and precise communication between Neurons.
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What is the definition of a specie?
Species are known as the group of organisms that reproduce within each other in nature to produce fertile offspring.
Species is also defined as a group of individuals that are capable of effectively breeding in nature. We can also say that species is considered as the biggest gene pool possible under natural conditions.
Also , Ernst Mayr was the person involved in playing a central role for the establishment of the general concept of species also known as the metapopulation lineages, and he is also known as the writer of one of the most popular of the numerous alternative definitions of the species category.
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