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Biology Study Set 4

Biology

Quiz 18 :

Origin and History of Life

Quiz 18 :

Origin and History of Life

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Some viruses never use DNA to carry out protein synthesis and have only RNA as their genetic material.This would lend evidence to which theory?
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Answer:

A

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________ proposed that polypeptides and RNA evolved simultaneously.
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B

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The first person who proposed that small organic molecules could have arisen by chemical evolution was
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Answer:

D

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Which of the following mass extinctions is correctly matched with the date of the extinction?
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Which of the following time periods contains the others?
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Which of the following forms of energy was NOT involved in the production of large organic molecules in the primitive reducing atmosphere?
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The term "reducing atmosphere" for the early Earth means that the atmosphere
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If the hypothesis that protocells were based on an "RNA world" is correct,what would be necessary to shift to a "DNA world"?
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The first known multicellular organisms evolved approximately how many years ago?
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The fact that a nucleic acid is a very complicated molecule suggests that
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The Greek terms for "small" and "ball" are the root words for
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Which statement is NOT true about a protocell?
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List in order of appearance the four stages of the origin of life and explain what was necessary to occur in order for life to have evolved in this fashion.
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Which of the following molecules are believed to have been absent from the primitive reducing atmosphere?
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Which statement is NOT true about the RNA-first hypothesis?
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Biological evolution differs from chemical evolution in that it would have been possible only after the development of
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Who was the individual who proposed the hypothesis of continental drift during the 1920s?
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________ discovered that a variety of amino acids and organic acids could be produced in the laboratory in a reducing atmosphere with electrical sparks.
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It is likely that the protocell was
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Which piece of evidence would best support the theory of continental drift?
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