Answer:
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Different enzymes have specific active sites which can only catalyze one <span>substrate. Enzyme-substrate complexes are produced only when the substrate fits into the active site :)</span>
DNA<span> and </span>RNA<span> are nucleic acids found in the cells of living organisms. ... The </span>synthesis<span> of </span>proteins<span> starts with transcribing the instructions in </span>DNA<span> into mRNA. The mRNA is then carried out of the cell's nucleus into the cytoplasm, specifically into structures called ribosomes.</span>
Answer: They compare the number of mutations to determine how long ago species separated and evolved.
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