climate systems quick check which of these is one of the milankovitch cycles?
One of the Milankovitch cycles is the change in the Earth's axial tilt. The angle between the Earth's rotating axis and its orbital plane around the sun is referred to as the axial tilt.
The axial tilt of the Earth fluctuates throughout time as a result of a variety of reasons, including the gravitational pull of other celestial bodies such as the moon and planets. These changes occur on a 41,000-year cycle and can have significant influence on the Earth's climate.
The seasonal changes between summer and winter can be more intense when the Earth's axial tilt is greater (i.e. the angle of tilt is greater). This can lead to more intense and long-lasting glacial, as well as greater temperature disparities between the poles and the equator.
When the Earth's axial tilt is lower, the seasonal changes between summer and winter are less severe. This may result in milder glacial episodes and more consistent temperature patterns over the world.
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The probable question may be:
Which of these is one of the Milankovitch cycles?
a. changes in the length of Earth's orbit
b. changes in the distance between Earth and the sun
c. changes in the time between Earth's seasons
d. changes in Earth's tilt
francis crick proposed the genetic code hypothesis, which states that ______.
Francis Crick recommended that the nucleotide succession of DNA is a code, DNA is just a data-stockpiling particle. Various blends of bases determine every one of the 20 amino acids.
The amino corrosive succession of a chemical is coded for by a particular stretch of DNA grouping.
The GNC speculation or GNC-SNS primitive hereditary code speculation alludes to speculation about the beginning of qualities. It recommends the all-inclusive hereditary code started not from a three-amino corrosive framework, but rather from a four-amino corrosive framework. It is this GNC code encoding [GADV]-proteins that are the crudest hereditary code.
Marshall Nirenberg found the hereditary code. He won the Nobel prize in 1968 alongside Robert W. Holley and Har Gobind Khorana for interpreting the hereditary code.
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describe how a protein is made starting with the creation of rna. in your answer be sure to include the following words: DNA, mRNA, tRNA, rRNA, transcription (or transcribe), translation (ot translated), codon, anticodon, amino acid, nucleus, cytoplasm, protein, ribosome.
Protein synthesis involves the transcription of DNA into mRNA and then the translation of the mRNA into a protein. The process begins in the nucleus, where DNA is transcribed into mRNA. This process is catalyzed by RNA polymerase, which reads the DNA sequence and generates a complementary mRNA sequence. The mRNA then leaves the nucleus and travels to the cytoplasm.
In the cytoplasm, the mRNA is read by ribosomes, which consist of rRNA and protein. The ribosome reads the mRNA sequence in groups of three nucleotides called codons. Each codon specifies an amino acid, which is added to the growing protein chain.
tRNA molecules, which are specific to each amino acid, bring the amino acids to the ribosome. The tRNA molecule has an anticodon that is complementary to the codon on the mRNA. This ensures that the correct amino acid is added to the protein chain.
The process of translation continues until the ribosome encounters a stop codon on the mRNA. At this point, the protein is complete and it is released from the ribosome. The protein then folds into its three-dimensional structure, which is essential for its function.
Overall, protein synthesis is a complex process that involves the transcription of DNA into mRNA, the translation of mRNA into protein, and the interaction of tRNA and ribosomes to ensure the correct amino acid sequence. The resulting protein is crucial for the function of the cell and the organism as a whole.
a virus causing the infected organism to sneeze, which helps get the virus passed on, is an example of an extended phenotype. group of answer choices true false
True. A virus causing the infected organism to sneeze, which helps get the virus passed on, is an example of an extended phenotype.
What is an extended phenotype?An extended phenotype refers to any trait that influences the environment of an organism and can thereby affect the behavior or survival of other organisms. It can be a trait that is under direct genetic control of an organism or it can be an indirect effect of the organism's genes.
For example, a beaver's dam is considered an extended phenotype because it is a structure that is constructed by the beaver but influences the environment in which it lives. Similarly, a bird's nest can be considered an extended phenotype as it provides shelter for the bird and its offspring. The concept of extended phenotype helps to understand how genes can influence the behavior of organisms and shape their interactions with the environment.
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Which option identifies the method that could be applied in the following scenario?
A portion of a field has drained, more rapidly than the rest, leading to drought conditions in the area several days before the water has needed in the rest of the field.
A. Selective application technology
B. Variable-rate technology
C. Precise nutrient application
D. Variable-rate irrigation
Answer:
hi my answer is D
hope this helping <3
how much do enzymes speed up reactions but can only be used once
An enzyme speeds up a chemical reaction in the cell and can be used more than once. The correct option is false.
Enzymes generally speed up chemical reactions in biological systems by providing an alternate but shorter pathway for reactants to reach products. In other words, enzymes lower the activation energy needed to be summoned by reactants in order to get to products.
While enzymes work by speeding up reactions, they are not themselves consumed in reactions. Thus, they can be recycled and reused all over again.
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Full Question: An enzyme speeds up a chemical reaction in the cell, but can only be used once.
a. True
b. False
Scientists unearth a Wooly Mammoth from the Siberian Ice Sheath and discover that a eukaryotic "amoeba-like cell is still alive. Which component of the cell membrane might contribute to maintaining the fluidity of plasma membranes under freezing conditions? a) high levels of unsaturated phospholipid tails within the lipid bilayer b) high levels of long phospholipid tails within the lipid bilayer c) high levels of saturated phospholipid tails within the lipid bilayer d) peripheral proteins e) absence of cholesterol
At low temperatures, be that as it may, cholesterol makes the errant contrast: By slowing down contacts between unsaturated fat chains, cholesterol keeps layers from freezing and holds up with film smoothness. The correct answer is (A).
At low temperatures, be that as it may, cholesterol makes the contrary difference: By slowing down collaborations between unsaturated fat chains, cholesterol keeps layers from freezing and keeps up with film smoothness.
The cholesterol particles are haphazardly appropriated across the phospholipid bilayer, helping the bilayer stay liquid in various ecological circumstances.
cholesterol particles - cholesterol influences layer smoothness, however, its impact relies upon the temperature. The encompassing temperature - higher temperatures will more often than not increment layer smoothness.
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What is the building blocks of matter called
Answer:
Atoms
Explanation:
From a chemist's point of view, the building blocks of matter are atoms. The types of atoms that make up a particular bit of matter, and the way those atoms are arranged, affect the properties and the behaviour of that matter.
The eyeball is composed of three tissue layers. List them from outermost to innermost.A Cornea and sclera, choroid, retinal layerB Intrinsic muscles, extrinsic muscles, retinal layerC Vitreous humor, aqueous humor, retinaD Cornea and sclera, vitreous humor, photoreceptor cells
The three tissue layers of the eyeball are cornea and sclera, choroid, retinal layer, the correct option is A.
The cornea and sclera form the outermost layer of the eye, providing mechanical support and protecting the internal structures of the eye. The choroid lies between the sclera and the retinal layer, supplying blood to the retina and absorbing excess light. The retinal layer is the innermost layer of the eye, containing photoreceptor cells that convert light into electrical signals that are sent to the brain via the optic nerve. Together, these three layers work to detect and transmit visual information to the brain.
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What heterotrophic in biology means?
Heterotrophic organisms in biology are those that rely on other organisms for nutrition and energy.
These creatures must get their energy and nutrition from other sources, like plants or other animals, because they are unable to make their own food.
All branches of the animal world, including humans, contain heterotrophs, which can be either carnivorous or omnivorous. Certain fungi and protists also contain heterotrophs.
Heterotrophs are crucial parts of food webs since they are the main consumers of the nutrients and energy that autotrophs create.
Although they offer energy and nutrition to other creatures in the form of prey, they also serve as the foundation for all higher trophic levels.
All terrestrial and aquatic ecosystems depend on heterotrophic organisms because they serve as the primary conduit between producers and more sophisticated consumers.
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Which phrase is not an example of intercellular communication?A. ribosomes make proteinB. intercellularC. a vesicle encloses over a nutrient moleculeD. plasmodesmata
Ribosomes make proteins within each cell. Along these lines, no cell collaborations are expected for making protein. the correct answer is (A).
Correspondence between two cells within an organic entity is called intercellular correspondence. Some normal illustration of intercellular correspondence is - chemical discharge, signal transmission through vesicular exocytosis, and so forth.
Ribosomes make proteins within each cell. Along these lines, no cell collaborations are expected for making protein. While microscopic organisms moving data about supplements will collaborate with other bacterial cells.
The best illustration of this kind of flagging is chemicals, chemicals from different organs are filled the circulation system and travel alongside it. At the point when they arrive at the objective cell, they tie to receptors producing the suitable reaction.
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when atp is produced are blood glucose levels high or low
The blood Glucose levels lower down when the ATP is produced. As glucose is the predominant substrate in glycolysis, it serves as the principal source of energy for cellular activity.
Our blood plasma's primary source of free circulating sugar is this tiny, soluble molecule. In some cells, like those in the human brain, the first metabolic stage in cellular respiration is glycolysis, which is essential for cellular metabolism and the production of energy (ATP).These cells are particularly prone to damage from low glucose levels (hypoglycaemia), as they are unable to carry out respiration, which deprives them of energy and prevents them from carrying out their function. Low glucose levels have the potential to cause cell death or severe damage in brain cells, both of which are extremely harmful.
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The nereus is simply an unmanned deep-sea remote operated vehicle (rov). please select the best answer from the choices provided
true
false
False. The statement that the Nereus is simply an unmanned deep-sea remote-operated vehicle (ROV) is not entirely accurate.
The Nereus is a type of unmanned deep-sea vehicle, but it is not just any ROV. It is actually a hybrid remotely-operated vehicle (HROV), which means it is capable of both autonomous and tethered operations. This means that the Nereus can be programmed to operate on its own, without the need for human intervention, but it can also be controlled remotely by operators on a ship or on shore.
The Nereus is also equipped with a unique design that allows it to explore the deepest parts of the ocean. It is built to withstand the immense pressure found in the deep sea, and it is equipped with a series of high-tech sensors and cameras that allow it to capture images and collect data in real-time.
Overall, the Nereus is an advanced deep-sea vehicle that is capable of a wide range of scientific and exploratory missions. While it can be classified as an ROV, it is more accurately described as a hybrid remotely-operated vehicle due to its unique capabilities and design.
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In noncyclic photophosphorylation, electrons from _______ replenish chlorophyll molecules that have given up electrons.a. CO2b. waterc. NADPH + H+d. O2 gase. None of the above
In noncyclic photophosphorylation, lost electrons on chlorophyll molecules are replaced by electrons from water.
Light energy is taken in by and transmitted to a chloroplast in the reaction centre when photons impact photosystem I. The chlorophyll molecule gives an excited electrons to an electron acceptor with each photon. The chlorophyll molecule's lost electrons are replaced by those from plastocyanin. In non-cyclic photophosphorylation, water is photolyzed to produce electrons that are then utilised to convert NADP+ to NADPH and create a proton motive force, which is then used to manufacture ATP. Water is a source of the electrons in photosynthesis, and NADP+ is where they end up to create NADPH. NADH and FADH2 are the generators of electrons in mitochondria, while H2O is where they end up.
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What happens when the recurrent laryngeal nerve is damaged?
Damage of recurrent laryngeal nerve can result in loss of voice, or can cause difficulty in breathing and swallowing, and it can also leads to cause hoarseness .
The recurrent laryngeal nerve (RLN) is a branch of the vague nerve that innervates the muscles of the larynx, including the vocal cords. Damage to the RLN can result in a variety of symptoms and complications, depending on the extent and location of the damage.
The recurrent laryngeal nerve (RLN) is a nerve that supplies motor function to the muscles of the larynx or voice box. It also provides sensory information to the larynx and trachea. Damage to the RLN can result in a variety of symptoms depending on the extent and location of the injury.
If the RLN is damaged on one side, the symptoms may include:
Hoarseness or loss of voiceWeakness or paralysis of the vocal cord on the affected sideDifficulty speaking, especially when trying to project the voiceDifficulty swallowing, especially liquidsChoking or coughing when trying to swallowShortness of breath or wheezingDecreased sensation in the larynx and tracheaTo know more about laryngeal nerve
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The new synthetic nucleotides have been inserted into the E.coli bacteria to increase the number of they can produce.
The new synthetic nucleotides, also known as “xeno-nucleotides”, have been inserted into the E.coli bacteria to expand their genetic alphabet.
What is synthetic?Synthetic is a term used to describe any material or product that is artificially created. Synthetics are man-made and often used to replace natural materials, such as in clothing and other fabrics. Synthetic materials are engineered from a variety of substances, including biodegradable polymers, petroleum-based chemicals, and recycled materials.
This will allow the bacteria to create more proteins than it was previously able to, which could have a wide range of applications. For example, it could lead to the development of novel proteins with new functions, or proteins that are more efficient than those currently in use. It could also lead to the development of drugs that target specific diseases, or to the production of enzymes that could be used as catalysts in industrial processes.
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whatis example of bio 150 exam 3 questions?
We can provide you a few samples of subjects that might be examined on a Bio 150 exam 3, which can help you prepare:
DNA replication, genetic mutations, transcription, and translation are all aspects of genetics.Natural selection, population genetics, speciation, and the development of life on Earth are all examples of evolution.Population ecology, community ecology, ecosystem ecology, and conservation biology are all subfields of ecology.Cell biology includes cellular respiration, photosynthesis, and cell structure and function.Physiology includes homeostasis, organ systems, and physiological processes like nerve and digestive system activity.It's crucial to keep in mind that the precise subjects covered on an exam can change based on the instructor and the course syllabus. In order to properly prepare for a test, it's always a good idea to speak with your instructor or examine the course curriculum.
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Ddt is an insecticide that was used extensively in the mid-1900s to kill mosquitoes.
Answer:
DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT.
Explanation:
What is true of genetic engineering of food crops?
Genetic engineering of food crops involves the manipulation of an organism's DNA to introduce or remove specific genes that are present in Option A, as the process alters the capacity of desirable traits such as increased yield, resistance to pests, etc.
What is the genetic engineering of food?The technique used in genetic engineering is recombinant DNA technology, which involves the insertion of foreign genes into the DNA of an organism and the process of genetic engineering can be done using different methods, such as agrobacterium-mediated transformation, and the main benefit of genetically engineering food crops is the potential to increase crop yield and quality.
Hence, genetic engineering of food crops involves the manipulation of an organism's DNA to introduce or remove specific genes that are present in Option A.
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The question is incomplete, complete question is below
What is true of genetic engineering of food crops?
A) involves the manipulation of an organism's to introduce or remove specific genes
B) doesn't involve the manipulation of an organism's DNA to introduce or remove specific genes
What DNA nucleotide bonds with Adenine (A)? A. Guanine B. Cytosine C. Thymine D. Uracil
C. Thymine (T) bonds with Adenine (A) in DNA through hydrogen bonds.
The complementary base pairing in DNA is Adenine (A) with Thymine (T), And Guanine (G) with Cytosine (C). Uracil (U) is a nitrogenous base found In RNA instead of Thymine (T).
Specifically, Thymine and Adenine form two hydrogen bonds between Them, which creates a stable connection between the two Complementary strands of DNA. This base pairing is crucial for DNA Replication, as it ensures that the new strands of DNA have the correct Sequence of nucleotides.
Overall, the base pairing rule in DNA is that Adenine always pairs with Thymine, and Cytosine always pairs with Guanine.
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another term for bone tissue is ______ connective tissue.
Another term for bone tissue is osseous connective tissue.
in general , Osseous connective tissue, is also bone tissue which is connective tissue that makes skeletal system of the vertebrates. They are composed of cells, fibers and extracellular matrix that makes bone hard.
Bone tissue has various important functions, that includes giving support and protection to the body, they are also muscle attachment junction, and mediate mineral homeostasis. The cells of bone tissue also contains osteoblasts, that helps in production and secretion of organic matrix of bone, and osteoclasts helps to reabsorb bone tissue .
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Why are bacteria used in recombination DNA technology?
A. They divide quickly
B. They have no genes
C. They have a nucleus
D. They cannot make protein
Recombination DNA technology uses bacteria because they reproduce quickly, enabling the efficient and quick creation of significant volumes of recombinant DNA.
Why does recombinant DNA technology use bacteria?Recombinant technology employs microbes for a number of reasons. They have plasmid DNA, which is extrachromosomal DNA capable of independent replication. They reproduce more fast and are easier to manage in a medium. Screening, selecting, and transferring transformants to the target cells are easy processes.
What use do recombinant bacteria serve?Recombinant DNA is a technique that researchers created to enable the insertion of a human gene into the genetic code of a common bacterium.
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what kind of trait of an organism that can be masked by the dominant form of a trait?
Answer:
aenamia
Explanation:
its the most common
Use the following table to answer the question:
This table shows the codons found in messenger RNA. Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln?
3' UUC-UCU-CAA 5'
3' AAG-AGA-GTT 5'
3' TTC-TCT-CAA 5'
3' AAG-AGA-GUU 5'
the answer is 3' AAG-AGA-GTT 5' :)
The polypeptide Phe-Ser-Gln could be encoded for by the nucleotide sequence UUC-UCU-CAA in the template strand of DNA.
What is the genetic code?
The triplets of nucleotides that code for a specific amino acid in the developing polypeptide are indicated by the genetic code. These triplets, or codons, serve to identify the protein sequence during transcription and subsequent translation .In conclusion, the polypeptide sequence Phe-Ser-Gln could be encoded for by the nucleotide sequence UUC-UCU-CAA in the template strand of DNA.
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Suppose that titanium and sulfite can be combined to form an ionic compound with the formula unit Ti(SO3)2. A chemical equation then requires 3 such units. How many atoms is that total?
Responses
A 33
B 2727
C 8181
D 9
A formula unit of Ti(SO3)2 contains 9 atoms (2 titanium atoms and 7 sulfur atoms). Multiplying by 3 formula units gives 2727 atoms.
What is formula?A formula is a symbolic representation of a mathematical concept. It is a set of mathematical symbols and operations that can be used to express a specific problem or solution. Formulas are used to represent relationships between different variables, to calculate values, and to predict outcomes. In many mathematical fields, science, and engineering, formulas are employed. They are also used in computer programming and other applications. Formulas are often used to make calculations and predictions easier or faster.
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What is the biological molecule composed of nucleotide monomers; examples include dna and rna.
The biological molecule composed of nucleotide monomers is nucleic acid. Examples of nucleic acids include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleotides are the building blocks of nucleic acids, and they consist of a nitrogenous base, a five-carbon sugar (ribose in RNA, and deoxyribose in DNA), and a phosphate group. The nitrogenous bases in DNA are Adenine (A), guanine (G), cytosine (C), and thymine (T), while in RNA, the Nitrogenous bases are adenine (A), guanine (G), cytosine (C), and uracil (U).
The sequence of nucleotides in DNA and RNA determines the genetic Information that is used to synthesize proteins and perform other cellular Functions.
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what are the three meninges of the brain
The three meninges of the brain, listed from outermost to innermost: Dura mater, Arachnoid mater and Pia mater.
The meninges are the protective layers of the tissue that surround the brain as well as spinal cord.
Dura mater: The dura mater is the tough, outermost layer of the meninges. It is a thick, fibrous layer that lines the inside of the skull and vertebral column, providing protection for the brain and spinal cord.
Arachnoid mater: The arachnoid mater is the middle layer of meninges. It is a thin, web-like layer that lies beneath the dura mater and is filled with cerebrospinal fluid (CSF), which provides cushioning and helps to regulate pressure within the brain.
Pia mater: It is the innermost layer of meninges. It is a thin, delicate layer that adheres to the surface of the brain and spinal cord, following the contours of their convolutions.
The three meninges provide protection, cushioning, and support for the brain and spinal cord.
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in cross ii, the genotype of the dark, short-haired parent is a. CcBb b. ccbb c. CCBB d. CCbb e. CCBB
In cross ii, the genotype of the dark, short-haired parent is a. CcBb .
What is genotype?A genotype is a term used to describe an organism's genetic composition, typically in reference to a particular quality or attribute. It is governed by the fusion of both parents' inherited alleles (gene variations). For a specific gene, a genotype can be homozygous (both alleles are the same) or heterozygous (both alleles are different). The physical or perceptible characteristics that emerge through the interaction of the genotype and environment are referred to as the phenotype, on the other hand.
Each individual's genotype is made up of the alleles they carry for a specific gene, and each allele might have a variety of variations. The genotype of the dark, short-haired parent is indicated in the inquiry as "a.CcBb" and it is dependent on the particular qualities being investigated as well as the genotype of the other parent in the cross.
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are populations of amphibians increasing or decreasing
why are we able to use starch as an energy source but not cellulose?
Answer: we are able to use starch as an energy source but not cellulose because we can digest starch not cellulose
Explanation:
Our body contains enzymes break starch into glucose to fuel body. But we humans don't have enzymes that can break down cellulose.
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