Mitosis creates two offspring cells having the same amount of chromosome as the parent cell, which is the primary distinction between it and meiosis.
Four daughter cells from meiosis each contain just half of its parent's chromosomes due to recombination. Meiosis creates cells which are genetically distinct from the parent and have half as much DNA as mitosis, which divides a single "parent" cell into two genetically identical "daughter" cells. The majority of body cells undergo mitosis on a regular basis, but many do so more frequently than others. Daughter cells produced during meiosis are haploid, whereas those produced during mitosis are diploid. Daughter cells produced during mitosis share the same genetic makeup. Genetic variety is present in the daughter cells that result during meiosis.
Learn more about meiosis
https://brainly.com/question/29383386
#SPJ4
depression in the scapula that articulates with the humerus is called___
The depression in the scapula that articulates with the humerus is called as glenoid fossa which is kind of a cavity.
Scapula or shoulder blade is a bone which connects the humerus and the clavicle, and is in the shape of a small shovel. Any injury occurring in the shoulder bone needs greater duration of time to heal. The joint between the head of the humerus and glenoid fossa cavity is called as glenohumeral joint. Such cavities also easy movement in the joints.
Since the shoulder joint is a ball and socket joint, which means direction of motion is in every direction, hence absence of such cavity will cause greater friction between the bones which will cause deterioration of the bones and hence will reduce the efficacy of shoulder joint.
Lean more about glenoid fossa at:
brainly.com/question/30325931
#SPJ4
which process results in daughter cells with half the original cell’s genetic material? A. Meiosis B Mitosis
option a) Meiosis is used to make special cells - sperm cells and egg cells - that have half the normal number of chromosomes.
Meiosis from the Ancient Greek (mesis) 'lessening,' as it is a reductional division) is a form of cell division of germ cells that produces gametes such as sperm or egg cells in sexually reproducing organisms.
It consists of two rounds of division that result in four cells with just one copy of each chromosome (haploid). Before to division, genetic material from the paternal and maternal copies of each chromosome is crossed over, resulting in novel code combinations on each chromosome.
Learn more about Meiosis
https://brainly.com/question/29383386
#SPJ4
The origin of a new plant species by hybridization between species, coupled with nondisjunction during meiosis, is an example of ___.
Select one:
a. allopatric speciation
b. allopolyploidy
c. species fusion
d. autopolyploidy
B
Allopolyploid organisms have more than two sets of chromosomes that are from different species, such as the wheat plant, Triticum aestivum, or the cotton genus Gossypium Wheat is an allohexaploid, meaning it has three different sets of chromosomes from diploid species for a total of six sets of chromosomes.
what is function keratinized stratified squamous epithelium ?
Keratinized stratified squamous epithelium is a type of epithelial tissue that is found on the skin and other surfaces that are exposed to mechanical stress and abrasion.
The main function of this tissue is to provide a protective barrier against physical and epithelial tissue damage.The epithelial cells in keratinized stratified squamous epithelium are arranged in layers, with the outermost layer consisting of dead, flattened cells that are filled with a tough, fibrous protein called keratin. This layer of keratinized cells provides a strong and durable barrier that is resistant to mechanical stress, dehydration, and microbial invasion.In addition to its protective function, keratinized stratified squamous epithelium also plays a role in regulating the exchange of substances between the body and the external environment. For example, the skin contains sweat glands and hair follicles that help to regulate temperature and excrete waste products.Overall, the keratinized stratified squamous epithelium is an important tissue that provides protection and regulation to the body's external surfaces.
To learn more about epithelial tissue refer to this link
https://brainly.com/question/13404204
#SPJ4
What are the types of fossil preservation?
Three basic techniques are used to conserve fossils: unaltered soft or hard portions; changed hard parts; and trace fossils.
Five processes can result in the formation of fossils: compression, replacement, molds and castings, permineralization, and preservation of original remains. There are three basic techniques to preserve fossil plants: petrifications, phytoleimmas, and imprints (for more details see J. M. Schopf, 1975). In the first instance, plant remains decompose entirely and leave an imprint on the rock.
Fermentation, chilling, and drying are a few of the oldest preservation techniques. Contemporary techniques include chemical addition, irradiation, pasteurization, freezing, and canning. The preservation of modern food has benefited greatly from advancements in packing materials.
Learn more about fossil Visit: brainly.com/question/18402641
#SPJ4
mr. and mrs. smith’s child was diagnosed with turner syndrome. their child has a(n) _________ chromosome
Turners syndrome is a genetic disorder caused due to the deletion of partial or complete of a X chromosome.
Turners syndrome affects only females. There are 44 autosomal chromosomes and a pair of sex chromosomes in humans. In males there are a X and Y chromosomes. In females there are two X chromosomes.
In turners syndrome, one of the X chromosome is deleted either partially or completely. In infant stage it causes Wide or weblike neck, Low-set ears, Broad chest with widely spaced nipples etc.
During puberty and adult stages, the symptoms become more prominent like No growth spurts at expected times in childhood, Failure to begin sexual changes expected during puberty, Sexual development stops during teenage years, Early end to menstrual cycles, For most females with Turner syndrome, inability to conceive a child without fertility treatment.
So turners syndrome is diagnosed with child has an X chromosome.
For more information regarding turners syndrome, kindly refer
https://brainly.com/question/11861379?referrer=searchResults
#SPJ4
Which of the statements is a simplified equation for cellular respiration? a. glucose + oxygen ⟶ carbon dioxide + water b. lipid + water ⟶ fatty acids + carbon dioxide c. carbon dioxide + water + light ⟶ glucose + oxygen d. glucose + nitrogen ⟶ carbon monoxide + water
A. Sugar + Oxygen + Water + Carbon Dioxide. A metabolic process known as cellular respiration occurs in the mitochondria of an organism's cells when glucose (sugar) is broken down in the absence of oxygen to produce ATP, carbon dioxide, and water.
C6H12O6 + 6O2 6CO2 + 6H20 + power (Glucose + Oxygen produces Carbon Dioxide + Freshwater + Energy) is the equation of cellular respiration. You might have noticed that the formula for photosynthesis is the reverse of the equation of cellular respiration. a chemical reaction that converts carbohydrates into energy using oxygen (sugars). also known as oxidative metabolism, aerobic metabolism, and aerobic respiration. Aerobic respiration is described by the following word equation: sugar + oxygen --> liquid + dioxide ( co2 + power (in the form of ATP). There are about 36 ATP molecules created.
Learn more about respiration
https://brainly.com/question/30757911
#SPJ4
Which of these are fossilized microbial mats containing photosynthetic bacteria?
a) Biofilms
b) Stromatolites
c) Stalagmites
d) Cyanobacteria
e) Resin
B. Stromatolites, or fossilised microbial mats, are composed of layered organo-sedimentary structures created by prokaryotes precipitating minerals. They serve as the earliest fossil record of life on Earth.
Stromatolites are layered sedimentary formations (microbialites) that are primarily produced by photosynthetic microorganisms like cyanobacteria and sulfate-reducing bacteria.
These microbes create adhesive substances that bind sand and other rocky components to form mineral "microbial mats." These mats in turn accumulate layer by layer, accumulating over time. A stromatolite can reach a height of one metre or more. Fossilized stromatolites preserve evidence of prehistoric life on Earth, despite their rarity today. The existence of organic globule clusters of aragonite nanocrystals within the thin layers of stromatolites has led scientists to hypothesise that the structure has a biological origin.
Learn more about cyanobacteria here:
https://brainly.com/question/2516577
#SPJ4
dna is composed of units called , each of which contains a phosphate group, a pentose sugar, and one of four nitrogen-containing bases.
DNA is composed of units called Nucleotides, each of which contains a phosphate group, a pentose sugar, and one of four nitrogen-containing bases.
the conduction delay that occurs at the av node allows
The conduction delay that occurs at the av node allows the atria to fully contract before the ventricles contract.
The AV node (atrioventricular node) is a specialised set of cardiac cells that serves as an electrical relay station between the atria and ventricles. The AV node conduction delay is significant because it permits the atria to fully contract before the ventricles.
When the electrical signal that causes a heartbeat arrives at the AV node, it is delayed for a short time before being sent to the ventricles. This delay permits the atria to complete contracting and emptying into the ventricles before the ventricles contract. Without the delay, the atria and ventricles would contract at the same time, reducing the effectiveness of the heart's pumping operation.
For more such questions on AV node, click on:
https://brainly.com/question/29297755
#SPJ4
What two things can happen when a neurotransmitter diffuses across the synaptic cleft and binds to receptors on the postsynaptic neuron?
Two things that can happen when neurotransmitter binds to the receptors on the postsynaptic neuron are :-
1) fire an action potential
2) ion concentration changes across the membrane by opening or closing of channels causing depolarisation.
A postsynaptic neuron "decides" whether to fire an action potential by adding together, or integrating, all of the excitatory and inhibitory inputs it receives. The integration of postsynaptic potentials that occur in separate locations—but at about the same time—is known as spatial summation.
The presynaptic portion of many synapses is positioned on an axon, whereas the postsynaptic portion is located on a dendrite or soma.
Learn more about postsynaptic neuron
https://brainly.com/question/29993548
#SPJ4
The postsynaptic cell becomes either more or less likely to fire an action potential.
If the postsynaptic cell is excited enough, it will continue passing the message to other cells. (sample response edge2020)
Most of the remaining free energy produced during the citric acid cycle is A. used to synthesize GTP. B. used to reduce electron carriers. C. lost as heat. D. used to reduce
Most of the remaining free energy produced during the citric acid cycle is B.used to reduce electron carriers.
The citric acid cycle, also known as the Krebs cycle or the tricarboxylic acid cycle, is a series of chemical reactions that occur in the mitochondria of eukaryotic cells. The cycle oxidizes acetyl-CoA to carbon dioxide and water, producing high-energy electron carriers such as NADH and FADH2. These electron carriers are then used in the electron transport chain to generate ATP through oxidative phosphorylation. The electron carriers generated in the citric acid cycle carry electrons to the electron transport chain, which uses the energy from the electrons to pump protons across the inner mitochondrial membrane, creating a proton gradient. The energy stored in this gradient is then used to drive ATP synthesis. Therefore, most of the remaining free energy produced during the citric acid cycle is used to reduce electron carriers.
Learn more about citric acid cycle here:
https://brainly.com/question/29857075
#SPJ4
where is the prostate
The prostate is a gland that is part of the male reproductive system. It is located just below the bladder and in front of the rectum, and surrounds the urethra, which is the tube that carries urine and semen out of the body.
The prostate is roughly the size and shape of a walnut and consists of both glandular and muscular tissue. Its main function is to produce and secrete a milky fluid that forms part of semen, which helps to nourish and protect sperm as they travel through the female reproductive system.The prostate is regulated by male hormones, particularly testosterone, and can be affected by various conditions, such as prostatitis, benign prostatic hyperplasia (BPH), and prostate cancer. Digital rectal exam (DRE) and prostate-specific antigen (PSA) blood test are two common methods used to screen for prostate cancer.
To learn more about prostate here:
https://brainly.com/question/28314880
#SPJ4
an organism has a diploid chromosome number 2n = 24. in the cells of this organism, how many tetrads will form during mitosis?
No tetrads will form during mitosis in the cells of an organism with a diploid chromosome number of 2n = 24.
Tetrads, or groups of four chromatids, are formed during meiosis when homologous chromosomes pair up and exchange genetic material in a process known as crossing over. During mitosis, however, the chromosomes condense and line up at the equator of the cell, then separate into two identical sets of chromosomes that are distributed to the daughter cells. Therefore, tetrads do not form during mitosis, but rather during meiosis I. In an organism with a diploid chromosome number of 2n = 24, there would be 12 pairs of homologous chromosomes that could form tetrads during meiosis.
Learn more about chromosomes:
https://brainly.com/question/11912112
#SPJ4
The rate of diffusion increases if the _____.(a) concentration gradient decreases.(b) the temperature of a solution decreases.(c) the viscosity of a solution decreases.(d) All of these are correct.
(c) the viscosity of a solution decreases. Diffusion can change at a different rate depending on the physical characteristics of the particular solution.
Diffusion is influenced significantly by environmental factors including temperature and solvent density. Depending on the kinds of molecules present in the solution, the viscosity of a particular solution can differ. Molecular mixing that takes place during diffusion is less likely as viscosity rises. Thus, as viscosity decreases, the rate of diffusion increases. Diffusion is significantly influenced by viscosity and density. Lower diffusion rates are anticipated. The particles can move more quickly and diffuse more rapidly if the medium is less thick or viscous.
Learn more about viscosity here:
https://brainly.com/question/30759211
#SPJ4
Does a person do more cellular respiration when asleep or awake
Answer:
Sleep deprivation causes cellular respiration proteins up regulation.
Explanation:
When asleep, the body is in the resting state and is not required to produce as much energy because you are not up and active.
Therefore, a person does more cellular respiration when asleep.
Answer:
Explanation: A person does more cellular respiration while asleep because they are inactive.
Blood returning to the heart from the systemic circuit first enters theA) right atrium.B) right ventricle.C) left atrium.D) left ventricle.E) conus arteriosus.
The correct option is (A) right atrium. Oxygen-poor blood returns from the body to the heart through the superior vena cava( SVC) and inferior vena cava( IVC), the two main modes that bring blood back to the heart.
The oxygen-poor blood enters the right atrium( RA), or the right upper chamber of the heart. Blood enters the right patio from the body, moves into the right ventricle, and is pushed into the pulmonary highways in the lungs.
After picking up oxygen, the blood travels back to the heart through the pulmonary modes into the left patio, to the left ventricle and out to the body's apkins through the aorta.
To learn more about right atrium, visit here
https://brainly.com/question/24202481
#SPJ4
Is a mutation a permanent change in DNA?
Answer:
Yes a mutation is permanent change
do electrolytic cells have salt bridges
Answer:
no
Explanation:
In electrolytic cell you can dip both anode and cathode in the same solution. Then yes, you don't have a salt bridge because you use the same electrolyte. Salt bridge passes ions at a certain rate that is not too high in order to prevent electrolyte mixing.
Fossil records are used to support evolution, but they're not complete. In fact, large gaps exist. In many cases the evolution of a species cannot be completely traced. How is the fossil record used to support evolution if there are so many missing pieces?
Responses
A.Scientists use the tissue of fossilized organisms to conduct DNA testing to determine evolutionary relationships
B.Scientists only focus on those fossilized species which have a complete record.
C.Scientists can build models of more complex organisms from the vast collection of fossilized remains of simple organisms.
D.Scientists can make inferences regarding the gap in the fossil record by combining their documented research, measurements and observations.
Scientists can make inferences regarding the gap in the fossil record by combining their documented research, measurements, and observations. The fossil record provides a valuable resource for studying the history of life on Earth.
By examining the fossils that have been found, scientists can make inferences about the evolution of species and the relationships between different groups of organisms. They can use the information gathered from fossils to construct evolutionary trees and to develop hypotheses about how different groups of organisms are related. Additionally, advances in technology have allowed scientists to study fossils in new ways, such as conducting DNA testing, which can provide additional evidence for evolutionary relationships.
Learn more about Fossil :
https://brainly.com/question/28122522
#SPJ4
Which level of biodiversity may still be reduced after a species recovers from a threat to its survival? answer choices
a. ecosystem diversity
b. genetic diversity
c. population diversity
d. species diversity
Option b. genetic diversity.Genetic diversity refers to the variety of genes within a population of a particular species.
Even after a species recovers from a threat to its survival, the genetic diversity of the population may still be reduced. This can happen for a variety of reasons, such as:
Genetic bottlenecks: A genetic bottleneck occurs when a large proportion of the population is wiped out by a catastrophic event, such as a natural disaster or human activity. The survivors of the bottleneck will have limited genetic diversity compared to the original population, which can affect their ability to adapt to changing environmental conditions.Inbreeding: Inbreeding occurs when individuals mate with close relatives, such as siblings or cousins. This can lead to a reduction in genetic diversity and an increase in the expression of harmful recessive traits.Fragmentation of habitat: When the habitat of a species is fragmented, populations may become isolated from each other, which can lead to reduced gene flow and increased genetic differentiation between populations.Reduced genetic diversity can have negative effects on the long-term viability of a population, such as reduced adaptability to changing environmental conditions and increased susceptibility to diseases and other threats. Therefore, it is important to preserve genetic diversity, even after a species has recovered from a threat to its survival.
To learn more about genetic diversity refer to this link
https://brainly.com/question/1446827
#SPJ4
the process of stopping bleeding after injury is called
The process of stopping bleeding after injury is called Hemostasis .
In general , Hemostasis is the body's natural response to injury that involves series of steps to prevent blood loss. most important steps includes vasoconstriction, platelet plug formation, and coagulation.
Vasoconstriction, involves constricting of blood vessel for reducing blood flow and slowing down bleeding. Platelet plug is then formed, in which platelets in the blood inhibit all the injured blood vessel and arrange them together to form a temporary plug. Finally, coagulation occurs, that involves series of chemical reactions result in the formation of a fibrin clot that helps the platelet plug to stop bleeding.
To learn more about Vasoconstriction , here
brainly.com/question/4359984
#SPJ4
Cells in a lymph node that engulf and destroy damaged cells, foreign substances, and cellular debris areA. Macrophages
B. Rapidly
C. Lymphocytes D. Macrophages
Macrophages are lymph node-based cells that consume injured cells, foreign objects, and cellular detritus.
As lymph fluid passes through the lymph nodes, it is filtered. Bacteria, viruses, or other foreign things are captured in the nodes and then eliminated by specialised white blood cells. Lymphocytes are the name for these cells. The very first cell to detect and ingest foreign chemicals is a macrophage (antigens). These molecules are broken down by macrophages, which then provide the T lymphocytes the smaller proteins. (T cells have the ability to identify, react to, and retain antigens.) In the body's immune system, phagocytes like neutrophils and macrophages are the first line of defence. They use a procedure known as phagocytosis to locate, swallow, and eliminate pathogens and other detritus.
Learn more about cells
https://brainly.com/question/30046049
#SPJ4
At the end of the story, does Laura fail or succeed? Use evidence from the text to support your response
In your response, make sure you include all parts of a complete paragraph
1: an argument statement
2: two pieces of evidence
3: two explanations
At the end of the story, Laura failed because she was never grateful for the things she has, her mother's illness shattered her life and also realized that sometimes failure teaches you the best lesson of life.
What is the summary of laura's key?Laura's Key" shares the story of a young girl who feels defeated after her experiences with her 6th grade soccer team.Laura has never faced any failure in life.
She always gave her all to avoid failure. She was never thankful for what she had. However, her life was shattered by the sudden loss of her business and her mother's illness. She realized that failure can teach you the most valuable lessons in life. You don't appreciate things that are already in your life if you don't fail.
Read more about Laura's key
brainly.com/question/17605289
#SPJ1
Fertilizers added by farmers to the soil contain high amounts of nitrates. How do fertilizers affect the nitrogen cycle?
Answer:
More nitrates are available for plants to absorb.
Explanation:
How do fertilizers affect the nitrogen cycle? More nitrates are available for plants to absorb. More nitrates are available for animals to eat. More nitrogen gas is released into the atmosphere.
what is one way that growing tourism directly affects the health of the marine life within the mediterranean ecosystem?
There is an increase in overfishing as a result of tourists' desire to try local cuisine, particularly seafood dishes in coastal locations.
What kind of landform is there in areas that may be vulnerable to earthquakes brought on by plate tectonic forces?Mountains created by plate collisions, faults and rifts, visibly folded rock strata (often seen where a fault's margins are exposed), and jagged fractures in exposed cliffs are all landforms that are frequently linked to earthquake zones.
Where does the most significant river system in Europe originate?It is possible to travel by water in the majority of Europe, either along the large beaches of the peninsulas and islands or along the numerous rivers. The Rhine and the Danube, two major rivers, separate Europe.
To know more about mediterranean ecosystem visit :-
https://brainly.com/question/30788984
#SPJ4
Hexokinase converts glucose into glucose-6-phosphate during the first phase of lactic acid production. Which is immediately produced as a result of hexokinase?
When hexokinase and Mg2+ are present, ATP phosphorylates glucose. In the presence of nicotinamide adenine dinucleotide phosphate, glucose-6-phosphate dehydrogenase (G6PD) converts (NADPH).
What is the function of the reaction that occurs when hexokinase phosphorylates glucose in the initial stage of glycolysis?Hexokinase phosphorylates glucose in the initial stage of glycolysis. Glucose would be able to diffuse past the plasma membrane and leave the cell if it weren't phosphorylated.
What role does glucose phosphorylation play in the initial stage of glycolysis, and what enzyme is involved in this process?In a nutshell, the hexokinase/glucokinase enzymes phosphorylate glucose after it has been delivered into cells [6]. Glucose-6-phosphate (G6P) can be used in the process of glycolysis to create ATP and NADH, stored as glycogen, or utilized by the body.
to know more about the glycolysis cycle here:
brainly.com/question/14711153
#SPJ1
What was NOT a key characteristic of the common ancestor of all life?A. It had DNA as its genetic codeB. It used ATP as a form of energyC. It contained its DNA in a protected nucleusD. Through transcription, its DNA made RNA which then made proteins
The feature that is NOT a key characteristic of the common ancestor of all life is C. It contained its DNA in a protected nucleus.
Ancestral organism shared through or extra descendent lineages — in different words, an ancestor that they have got in not common. For example, the not unusual place ancestors of organic siblings consist of their dad and mom and grandparents; the not common ancestors of a coyote and a wolf consist of the primary dog and the primary mammal. Homologous systems offer proof for not common ancestry, whilst analogous systems display that comparable selective pressures can produce comparable adaptations (useful features). Similarities and variations amongst organic molecules (e.g., withinside the DNA collection of genes) may be used to decide species' relatedness.
To learn more about genetic code check the link below-
https://brainly.com/question/22632342
#SPJ4
what are cats with short legs
Munchkin cats (also called “sausage cats”) are regular domestic cats that stand out because of their shortened legs, giving them a much smaller stature than other breeds.
Munchkins are swift, smart, and enjoy playing hide-and-seek with shiny objects while having a very beautiful and adorable appearance. As they are unaware of their distinctive characteristics, Munchkin cats act exactly like any other cat breed. Their leg length is irrelevant to them; they do the best they can given their limitations in terms of size.
Finding a Munchkin is a precious find for cat lovers, and you can fall in love with them for their unusual appearance.
To know more about domestic cats click here:
https://brainly.com/question/23979170
#SPJ4
which condition is characterized by intermittent episodes of skin in the affected areas turning white or blue associated with numbness?
The condition that is characterized by intermittent episodes of skin in the affected areas turning white or blue along with numbness is Raynaud's disease.
When exposed to cold temperatures or under stress, some body parts, such as the fingers and toes, become numb and chilly due to Raynaud's disease (pronounced "ray-NOSE"). Smaller arteries that carry blood to the skin narrow as a result of Raynaud's illness. Vasospasm is a condition when blood flow to the affected areas is restricted.
Raynaud's phenomenon and Raynaud syndrome are the other names for the condition. Raynaud's disease is seen to affect more women than men. Those who live in colder climates appear to experience it more frequently. The severity of your Raynaud's illness and any coexisting medical issues will determine how you are treated.
To know more about Raynaud's disease, refer:
https://brainly.com/question/14203226
#SPJ4