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What kind of molecule carries genetic instructions for human growth development fuction and reproduction?
A tRNA
B DNA
C protein
D amino acid
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Answers: 3
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Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
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What kind of molecule carries genetic instructions for human growth development fuction and reproduc...
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