Answer:
horse
Explanation:
Based on this evidence, the animal with the closest evolutionary relationship to humans is the horse. Molecular evidence for evolution is based on the study of the genetic makeup of different species to understand their evolutionary relationships. In this case, the scientist is comparing the DNA sequences of different animals and observing the number of differences between them. Since horses have only one different DNA molecule compared to humans, this suggests that they are closely related and likely evolved from a common ancestor, making them the closest evolutionary relative to humans among the animals listed.
1. Name two things found in a plant cell that are not found in an animal cell:
2. How does the shape of a plant cell differ from that of an animal cell?
3. What is the function of the chloroplasts?
4. What is the function of the vacuole?
Answer:
1) Chloroplasts and Cell Wall
2) Plant cells typically have a rectangular or cube-shaped form, with a rigid cell wall on the exterior. Animal cells, on the other hand, tend to be round and lack a cell wall. Furthermore, plant cells contain chloroplasts, which are not present in animal cells.
3) Chloroplasts are the places within plants where photosynthesis takes place, where light energy is used to turn carbon dioxide and water into oxygen and sugar. Additionally, chloroplasts are responsible for the creation of food in plants through the process of photosynthesis.
4) The vacuole is an organelle located in the cytoplasm of eukaryotic cells that is enclosed by a membrane. Its main purpose is to store water and other molecules like proteins, carbohydrates, and ions. This organelle contributes to cell shape and turgor pressure, as well as regulating metabolism. Furthermore, vacuoles are involved in the digestion and recycling of cellular debris.
Which of the following statements best justifies the claim that the conditions in at least one of the experiments could generate the molecular building blocks essential for life?
The nitrogen ( N2 ) gas and ammonia ( NH3 ) gas in experiment 1 could provide the elemental nitrogen required for the formation of amino acids.
In experiment 1, the nitrogen (N2) and ammonia (NH3) gases might supply the elemental nitrogen needed for the synthesis of amino acids.
Explain about the amino acids?Molecules of amino acids make up proteins. Proteins and amino acids make up the building blocks of life. Following the digestion or breakdown of proteins, amino acids are still present. Amino acids are used by the human body to help it produce proteins.
BCAAs are classified as necessary because, unlike non-essential amino acids, your body cannot make them. You must thus incorporate them into your diet. The BCAAs are a triad made up of leucine, isoleucine, and valine. Each of them has branching molecular architectures and is regarded to be essential for the human body.
Leucine has been shown to be the most powerful and efficient amino acid for skeletal muscle protein synthesis, which takes place when cells start to generate the necessary proteins.
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The net flow of materials through the membrane of a cell against a concentration gradient is known as
The net flow of materials through the membrane of a cell against a concentration gradient is known as active transport.
What is active transport?
In the field of cellular biology, active transport refers to the process by which molecules or ions move across a cell membrane in the opposite direction of the concentration gradient, going from an area of lower concentration to a region of higher concentration. In order to accomplish this movement, active transport requires the use of cellular energy.
Ions of certain metals, such as Na+, K+, Mg2+, and Ca2+, are examples of the types of substances that can be moved across the cell membrane by primary active transport. In order for these charged particles to go through membranes and be distributed throughout the body, ion pumps or ion channels are required.
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4. This muscle helps to transport blood to and from the heart. (1 point)
smooth muscle
Ocardiac muscle
Oskeletal muscle
O involuntary muscle
Answer: cardiac muscle
Explanation:
the difference between prophase in meiosis and prophase in mitosis synapsis the number of chromatids per chromosome the number of homologues the number of chromatins
Synapsis, a mechanism where homologous chromosomes couple based on sequence similarity, accomplishes this.
In a chromosome body known as a tetrad (because it contains 4 replicated chromosomes known as chromatids) or bivalent, the homologous chromosomes are bound together by a protein structure known as the synaptonemal complex (if the organism is diploid). The homologous chromosomes can recombine thanks to this pairing during prophase 1 of meiosis. This happens early in prophase, although the recombination's manifestation is not obvious until late in prophase 1 and during metaphase 1. Leptotene, zygotene, pachytene, diplotene, and diakinesis are the five stages that prophase 1 of meiosis is separated into because the chromosomes adopt distinct shapes throughout this stage. While using diplotene.To know more about chromosomes
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which of the following wastewater treatment plants designed to facilitate the decomposition oforganic material by aerobic microorganisms
Activated sludge tank is wastewater treatment plants designed to facilitate the decomposition of organic material by aerobic microorganisms.
Activated sludge process is a multi-chamber reactor unit that uses highly concentrated microorganisms to degrade organics and remove nutrients from wastewater, producing quality sewerage.
In general this process allow to Aerated the waste-water continuously for over a duration of month and were able to achieve a complete nitrification of the sample material. Assuming that the sludge is activated in a similar manner to activated carbon the process was named activated sludge.
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Match the statement to the type of specific immunity it most accurately describes to test your understanding of the specific immune states.
Artificial Immunity = Immunity is obtained through medical procedures such as immunizations.
Natural Immunity = Immunity is acquired through normal life experiences, not through medical intervention.
Active Immunity = One's own body produces B- and T-cell responses to antigen stimulus.
Passive Immunity = Individual receives immune substances that were produced by another host.
The correct option is (c) i.e. Active Immunity = One's own body produces B- and T-cell responses to antigen stimulus, is the type of specific immunity it most accurately of the specific immune states.
Immunity is the capacity of an organism to protect itself from harmful microbes. Immunity is influenced by both specialized and general factors. The nonspecific components act as barriers against or removers of a range of diseases regardless of their antigenic makeup. Other immune system components can adapt to each new illness they encounter and build pathogen-specific immunity. An advanced biological process known as immunity can discriminate between substances that are natural to the body and those that are foreign and can tolerate both (non-self). innate immunity To begin with, an animal's immune system aids in preventing or reducing a variety of diseases that are brought on by germs. Agents called pathogens are responsible for a wide range of illnesses. On the other hand, diseases happen when an organism's structural integrity is severely compromised without being physically injured. Some animals become ill when pathogens or illnesses affect their immune systems. There is an inherent immunity in animals. Invertebrates have phagocytosis, barrier defenses, and antimicrobial peptides.
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The correct option is (c) i.e. Active Immunity = One's own body produces B- and T-cell responses to antigen stimulus, is the type of specific immunity it most accurately of the specific immune states.
Immunity is the capacity of an organism to protect itself from harmful microbes. Immunity is influenced by both specialized and general factors. The nonspecific components act as barriers against or removers of a range of diseases regardless of their antigenic makeup. Other immune system components can adapt to each new illness they encounter and build pathogen-specific immunity. An advanced biological process known as immunity can discriminate between substances that are natural to the body and those that are foreign and can tolerate both (non-self). innate immunity To begin with, an animal's immune system aids in preventing or reducing a variety of diseases that are brought on by germs. Agents called pathogens are responsible for a wide range of illnesses. On the other hand, diseases happen when an organism's structural integrity is severely compromised without being physically injured. Some animals become ill when pathogens or illnesses affect their immune systems. There is an inherent immunity in animals. Invertebrates have phagocytosis, barrier defenses, and antimicrobial peptides.
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show how the microbial cell employs its genetic information (gene expression) to produce protein and gene products. explain the general process of transcription and translation including the major steps of initiation, elongation and termination).
At the promoter region, RNA polymerase initiates the process by separating the DNA strands and connecting the RNA nucleotides as they base pair with the DNA template.
When the polymerase descends, it breaks down the DNA and stretches the RNA transcript to its third prime end. The strand starts to form a double helix as this happens. The RNA transcript is released during termination, and the polymerase breaks its connection to the DNA.Transduction eliminates the need for cell-to-cell interaction by using a virus called a bacteriophage to function as a conduit for moving bacteria genes from one cell to another. Transduction can be divided into two categories: generalized transduction and specialized transduction.To know more about RNA nucleotides
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how are geysers formed?
Mr. Barney was teaching his Biology class about cellular energy and put this equation on the board
Which process is Mr. Barney most likely about to start teaching?
A
fermentation
B
transpiration
C
cellular respiration
D
photosynthesis
Answer:
d) photosynthesis
Grasses were not killed off by
water
fire
insects
but small trees were killed.
Grasses were not killed off by fire but small trees were killed. The balance of nature is important as any disturbance in it can lead to loss of a species.
What is the balance of nature?Balance in nature is the interaction between the biotic and abiotic components of nature in equilibrium. Both the components are interdependent on each other. Therefore, if there is problem in anyone of the components an imbalance in the whole ecosystem will result. And, thus the removal of any one organism from the ecosystem may have severe consequences and disturbance in the ecosystem.
Sufficient amount of resources to all living organisms and their stability reflect the existence of ecological balance. Therefore, this balance in the nature is very important as it ensures survival, existence and stability of the environment. The survival of all the living organisms depends upon the ecological balance. Fire is an abiotic component which can destroy small trees in an ecosystem.
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What is the best and worst part of being a girl?
Answer:
It depends
Explanation:
This can be a very opinionated question. Personally,
Worst:
Not viewed equal as men
Seen as an object
Menstruation can be difficult to deal with
Best:
We have the ability to create children inside our bodies
We have a great community of strong women, we prove ourselves worthy
We have certain advantages that men don't
Like I said, this is my opinion, and it honestly just depends.
Im sure almost all women would come up with different answers.
Proteins can recognize specific base pair sequences in DNA without unwinding the double helix by interacting with the ______ of the helix.
Proteins can recognize specific base pair sequences in DNA without unwinding the double helix by interacting with the major groove of the helix.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil spherically each one-of-a-kind to form a double helix. The polymer includes genetic instructions for the development, functioning, boom, and replica of all seemed organisms and lots of viruses.
In all dwelling things, DNA is vital for an inheritance, coding for proteins, and offering instructions for life and its tactics. Human cells commonly consist of 23 pairs of chromosomes, for a complete forty-six chromosomes in every cell.
Mitochondria are structures within cells that convert the power from meals right into a shape that cells can use.
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Lower motor neurons responsible for posture and locomotion are found in the _______ and primarily receive
input from upper motor neurons in the _______.
a. medial ventral horn; brainstem
b. lateral ventral horn; brainstem
c. medial ventral horn; cerebral cortex
d. lateral ventral horn; cerebral cortex
e. medial dorsal horn; brainstem
The brainstem's lateral ventral horn is home to lower motor neurons that are principally responsible for posture and mobility. higher motor neurons' input into the cerebral cortex.
Option b is correct
Where are the lower motor neurons located?Lower motor neurons in the brainstem and spinal cord are what start skeletal (striated) muscle contraction. The ventral horn of the spinal cord's gray matter, as well as the motor nuclei of the cranial nerves in the brainstem, both house the cell bodies of lower neurons.
Where are the motor neurons involved in posture located?Neuroscience - NCBI Bookshelf: Motor Control Centers in the Brainstem: Upper Motor Neurons That Maintain Balance and Posture.
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whats the function of a plant vacule
The function of a plant vacuole is determined by the fact that it maintains cell acidity and turgor pressure along with regulating the storage and transport of substances throughout the cell.
What is a Vacuole?A vacuole may be defined as a membrane-bound cell organelle that is present in plant and fungal cells and some protist, animal, and bacterial cells. It plays some crucial roles that facilitate the survival of living organisms.
In plant cells, vacuoles help maintain water balance. Sometimes a single vacuole can take up most of the interior space of the plant cell. It can also hold food for later use and waste for removal which prevents the cause of cell toxication.
Therefore, vacuoles maintain cell acidity and turgor pressure along with regulating the storage and transport of substances throughout the cell.
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transposition may result in gene disruption as well as provide elements that can gene expression patterns.
Transposition may result in gene disruption as well as provide elements that can alter gene expression patterns.
We used global transposon mutagenesis in investigations of the lowest genetic needs for life to pinpoint the genes required for a minimal bacterial genome. In addition to impairing a gene's functionality, transposon insertion can also have polar opposite effects on the expression of nearby genes.
Because they make it easier for exons to be moved about, double-stranded breaks to be repaired, and genomic sequences to be translocated, transposons can actually accelerate the evolution of genomes. Transpositions and insertions can also change the phenotypic and gene regulatory areas.
DNA transposition is the transfer of a specific DNA segment (a transposon) from one genomic region to another.
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Two traits segregate independently and follow the rules for independent assortment. This indicates that these traits areA. Found on separate chromosomesB. Located close together on the same chromosomeC. Inherited together more often than is typicalD. Evolutionary is favourable for the organism.
Different genes separately separate from one another when reproductive cells mature, according to the Principle of Independent Assortment.
Where does independent assortation take place during meiosis, and what does it indicate when two genes interact independently?The Law of Segregation states that meiosis is the process by which each chromosome is divided from its homolog, or counterpart. Therefore, the maternal and paternal chromosomes from your parents are "independently arranged," which simply means that chromosomes from the same source do not necessarily wind up in the same gamete.
What does the term "independent segregation" signify in terms of genetics?Genes are said to be inherited independently of one another according to the independent assortment theory. In other words, crest and sex are controlled by genetic variables that are physically distinct.
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based on the information in this animation, select the organisms that would utilize this ormonal pathway more often.
a. kangaroo rat which inhabits the arid regions of western North America b. river otters in northern North America c. the Dromedary camel of the Middle East d. the manatee from the Caribbean
A0 Kangaroo rat which inhabits the arid regions of western North America would utilize this hormonal pathway more often.
The kangaroo rat inhabits arid regions, so it would likely make use of this hormonal pathway more often than other animals. This is because the arid environment that the kangaroo rat inhabits requires it to conserve water and obtain enough energy to survive.
The hormones released in this pathway help the kangaroo rat regulate its water balance and metabolism, allowing it to survive in such an environment.
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a large, organic molecule such as carbohydrates, lipids, proteins, and
nucleic acids
????
A large, organic molecule such as carbohydrates, lipids, proteins, and nucleic acids is a polymer made up of atoms such as carbon, hydrogen, and oxygen. These are present in the cell.
What are the macromolecules?The macromolecules of the cell, such as the carbohydrates, lipids, proteins, and nucleic acids, are made up of monomers, such as the nucleotides, which are monomers of the nucleic acid, and the amino acids, which are monomers of the proteins. The atoms that make up these macromolecules are carbon, hydrogen, oxygen, nitrogen, etc.
Hence, A large, organic molecule such as carbohydrates, lipids, proteins, and nucleic acids is a polymer made up of atoms such as carbon, hydrogen, and oxygen.
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currently two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?
Species X and Y share a greater number of homologies with each other than either does with species Z
The correct statement about the elephant species will be: B) Species X and Y share a high number of homologies with each other than either does with species Z.
Species is the smallest hierarchical level in the classification system of organisms. Organisms belonging to the same species group show high similarities with each other. The next higher level to species is genus. The species coming under the same genus also show similarities as compared to the species of other genus.
Homology refers to the similarity in the anatomy of the organisms. However they can have different functions according to their adaptations.
The given question is incomplete, the complete question is:
Currently two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?
A) Species X and Y are not related to species Z.
B) Species X and Y share a greater number of homologies with each other than either does with species Z.
C) Species X and Y share a common ancestor that is still extant (in other words, not yet extinct).
D) Species X and Y are the result of artificial selection from an ancestral species Z.
E) Species X, Y, and Z share a common ancestor, but nothing more can be claimed than this.
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Some organisms are more
suited to their environment.
These organisms are more
likely to survive and reproduce.
What can we say about these
organisms?
They are less adapted to their environment.
They have a higher fitness. This is answer
Answer: higher fitness
Explanation:
Answer: They have a higher fitness.
Explanation:
Which of the following best describes the function of the coenzymes NAD+ and FAD in eukaryotic cellular respiration? They participate in hydrolysis reactions by accepting protons from water molecules. They accept electrons during oxidation reduction reactions. They participate directly in the phosphorylation of ADP to ATP. They serve as final electron acceptors in the electron transport chain.
They accept electrons during oxidation reduction reactions, best describes the function of the coenzymes NAD+ and FAD in eukaryotic bacteria cellular respiration.
Eukaryotic cells, which have a nucleus encircled by the nuclear membrane, are the building blocks of large and complex organisms. Protozoa, animals, plants, fungi, and plants all contain eukaryotic cells. They are classified as being part of the kingdom Eukaryota. They can withstand a variety of circumstances in a single cell, allowing them to carry out different metabolic functions. This allows them to expand many times more than prokaryotic cells. Eukaryotic cells have the following characteristics: In eukaryotic cells, the nuclear membrane encloses the nucleus, the cell's mitochondria. Flagella and cilia are the locomotory structures found in eukaryotic cells. Cell walls are the word for eukaryotic cells' outermost layer. Cells divide via the mitotic process. Eukaryotic cells contain the cytoskeleton. One linear piece of DNA located in the nucleus holds all of the genetic information. A plant cell is enclosed by a stiff structure called a cell wall. However, it is not found in animal cells.
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In animals, nitrogenous wastes are produced mostly from the catabolism of 15 pts O triglycerides and steroids O fatty acids and glycerol. O proteins and nucleic acids. O phospholipids and glycolipids. O starch and cellulose.
In animals, nitrogenous wastes are produced mostly from the catabolism of proteins and nucleic acids.
There are various nitrogenous wastes that are generated by protein catabolism, but the main ones are ammonia and urea. The liver produces ammonia in a healthy person, which is then transformed to urea, a less raw sewage commodity than ammonia.
Once proteins are broken into the amino acids needed for energy, nitrogenous wastes are produced. Ammonia represents the most basic form of nitrogenous waste, constituted from the residual amino acids that occur during protein breakdown.
Proteins are divided into amino acids during catabolic reactions, lipids into fatty acids, and polysaccharides into monosaccharides. These basic elements are then used in anabolic reactions to synthesize molecules.
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genes and genomes can be altered by several different mechanisms, including (multiple correct answers here), and even the infusion of fresh genetic material all contribute to genome evolution. Small mutations, duplications, deletions, rearrangements and even the infusion of fresh genetic material all contribute to genome evolution
Genes as well as genomes can be altered by various different mechanisms which include: small mutations, duplications, deletions, rearrangements, and also the infusion of fresh genetic material that contribute to genome evolution.
Even though the genetic element which is mobile in nature could block a gene regulatory sequence and facilitate an array of genetic variations. These genetic variations include small mutations or mutations within a single gene, gene duplications, gene deletions, rearrangements such as exon shuffling as well as additional structural and regulatory changes.
A mutation refers to a an alteration within the DNA sequence of an individual. The term 'genome' refers to the total genetic information that is contained within an organism.
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Each lung is covered by a thin serous membrane called a ______; a similar membrane covers the internal chest wall and diaphragm.
The lungs, blood arteries, nerves, and bronchi are all covered by the visceral pleura, the inner layer.
What do the two membranes that protect the lungs do?Two flimsy layers of tissue, called the pleura, surround and cushion the lungs. The visceral pleura, the inner layer, wraps around the lungs and is so firmly adhered to them that it is impossible to remove. The inside of the chest wall is lined with the parietal pleura, the outer layer.
What is the name of the lung's protective layer?The pleural membrane has two layers and is very thin, wet, and slippery. The lungs are covered by the visceral or pulmonary layer of the pleura, which is located inside the rib cage and diaphragm.
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in addition to barriers, there are either a number of , phagocytes, and natural killers, or protective proteins involved with identifying and potentially destroying pathogens that have passed through the physical barriers. the cells also have the ability to send signals, such as , to signal nearby cells that a cell has been infected by a virus.
with identifying and potentially destroying pathogens that have passed through the physical barriers
The human body's three main defensive mechanisms work together to fend off invaders including viruses, bacteria, and fungi. Physical and chemical barriers, general innate reactions, and particular adaptive responses are the three lines of defense of the immune system.
Describe a pathogen. An organism that infects its host with disease is referred to as a pathogen, and the severity of the disease symptoms is referred to as virulence. Pathogens include viruses, bacteria, unicellular and multicellular eukaryotes, as well as other taxonomically diverse organisms.What are pathogens and some instances?
Pathogens, such as bacteria, fungi, protozoa, worms, viruses, and even infectious proteins known as prions, are what cause infectious diseases. All types of pathogens must have ways to enter their host and avoid being immediately destroyed by the host immune system. Most bacteria do not cause disease.
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Aerobic training increases blood flow to skeletal muscles during maximal exercise because of all of the following except:
A) Larger maximal cardiac output
B) Greater capillarization of muscle
C) Fewer type II fibers
D) Reduced flow to nonactive tissues
Aerobic training increases blood flow to skeletal muscles except because C)Fewer type II fibers. So, option C is correct.
Aerobic training (otherwise called perseverance activities, cardio or cardio-respiratory activity) is physical exercise of low to extreme focus that relies essentially upon the high-impact energy-creating process. "Vigorous" is characterized as "connecting with, including, or requiring oxygen", and alludes to the utilization of oxygen to satisfy energy needs during exercise through vigorous digestion adequately.
Oxygen consuming activity is performed by rehashing groupings of light-to-direct power exercises for broadened times of time. Vigorous activity might be better alluded to as "exclusively oxygen consuming", as it is intended to be low-force an adequate number of that all starches are vigorously transformed into energy by means of mitochondrial ATP creation. Mitochondria are organelles that depend on oxygen for the digestion of carbs, proteins, and fats.
Hence, option C is correct.
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2. What is the meaning of yellow on a hazmat diamond?
a. Signifies chemical reactivity hazard
b. Signifies flammability hazard
c. Signifies nuclear hazard
The meaning of yellow on a hazmat diamond is that the material is a reactivity hazard.
The correct option is A: Signifies chemical reactivity hazard
What are hazmat?Hazmat is the abbreviated form of the expression hazardous material.
Hazardous materials are materials that pose a great danger to lives and can cause injury or death when these materials are present or released into the environment.
Hazmat may be substances that are toxic, poisonous, radioactive, flammable, or explosive.
The classes of hazardous materials include:
Explosives.Gases.Flammable Liquid and Combustible Liquid.Flammable Solid, Spontaneously Combustible, and Dangerous When Wet.Poison (Toxic) and Poison Inhalation Hazard.Radioactive, etc.Learn more about hazmat at: https://brainly.com/question/27318175
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Photosynthesis plays an important role in maintaining life in most ecosystems on Earth because it has an impact on how organisms obtain their energy. Write a claim that supports the idea that photosynthesis helps sustain life on Earth, and support that claim with at least one piece of evidence.
Photosynthesis and the living beings that are dependent on human beings are very much dependent on each other where they both have interlinked relationship. The support that responds to such claims are cellular respiration and the light reactions in the plants that are taking place in the living beings in the present of light.
What is the most common source of solar energy ?It is the sun that provides solar energy and heat that is required for the almost every living being present on Earth.
To convert solar energy into chemical energy that is stored in the living cells at that moment the conversion is possible because of the solar energy only.
Most of the life that is dependent on photosynthesis that is carried out by the photosynthesis via plants, animals and some types of bacteria which capture sunlight from sun some types of photosynthesis are dependent on the sun as well specially in the case of photosynthetic bacteria.
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the tertiary structure of a protein is determined by its 1. interactions among r groups. 2. right-handed coil. 3. hydrogen bonding. 4. branching. 5. glycosidic linkages.
The correct option is 1. The tertiary structure of a protein is determined by its interactions among R groups.
Interactions among R groups: The R groups, or side chains, of the amino acids in a protein interact with each other and can form various types of chemical bonds, such as hydrogen bonds, ionic bonds, and hydrophobic interactions. These interactions help to stabilize the tertiary structure of the protein.
Tertiary structure refers to the three-dimensional structure of a complex molecule such as a protein. It is the most complex level of structure and is responsible for the molecule's shape, size, and function. It is also responsible for the molecule's ability to interact with other molecules, such as in enzyme-substrate interactions or DNA-protein interactions.
It is an important aspect of molecular biology and biochemistry and can be studied using a variety of techniques such as x-ray crystallography, nuclear magnetic resonance spectroscopy, and cryo-electron microscopy.
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