Why does the existence of ribozymes offer a possible solution to the question of whether nucleic acids or proteins
appeared first in evolution?
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ANSWER: Because nucleic acids contain the required genetic information, enzymes are required for the
duplication of this information. Because ribozymes are both nucleic acids and enzymes, this
suggests that they could have served both roles in early life forms.
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Do you believe humans are still evolving? If not, why? If yes, explain in what ways humans may be evolving.
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Name and give the staining characteristics and functions of the three leukocytes with specific granules.
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Explain the need for a null hypothesis, especially in ecology and evolution. What does a null hypothesis accomplish?
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Kelps of the genus Macrocystis are perennials
Indicate whether the statement is true or false