Multiple Choice
A long, two-stranded molecule shaped like a double helix is the structure of
A) proteins.
B) ribonucleic acid (RNA) .
C) uracil and adenine.
D) deoxyribonucleic acid (DNA) .
E) cytosine and guanine.
Correct Answer:

Verified
Correct Answer:
Verified
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Q6: A ribonucleic acid that is used to
Q7: The variation in gene frequency from one
Q8: Another cause of the shuffling of parental
Q9: Natural selection operates on<br>A) the phenotype.<br>B) inherited
Q11: Just as biologic species are reproductively isolated,
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Q13: Growth, development and maintenance of body tissues
Q14: Meme is the analagous term to the
Q15: Gene flow between populations tends to decrease