Changing a single amino acid in a protein consisting of 325 amino acids would _____
A) alter the primary structure of the protein but not its tertiary structure or function
B) cause the tertiary structure of the protein to unfold
C) always alter the biological activity or function of the protein
D) always alter the secondary structure of the protein and disrupt its biological activity
E) always alter the primary structure of the protein, sometimes alter the tertiary structure of the protein, and sometimes affect its biological activity
Answer: E
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Why do some biologists use the name Craniata instead of the name Vertebrata?
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The family Hominidae includes:
A. orangutans B. humans C. gorillas D. chimpanzees E. All of the choices provided are correct
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__________. a. monogamous; not monogamous b. monogamous; monogamous c. not monogamous; not monogamous d. not monogamous; monogamous e. not monogamous; promiscuous
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