The overall three-dimensional shape of a polypeptide is called the _____.

A. double helix
B. primary structure
C. secondary structure
D. tertiary structure
E. quaternary structure


Ans: D. tertiary structure

Biology & Microbiology

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Females who are heterozygous for a violence-associated mutation in the X-linked MAOA gene will display abnormal

behavior. a. True b. False

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How many protein-encoding genes constitute the human genome?

A. 46 B. about 25,000 C. more than 1 million D. 500,000

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One of the key contributions of the punctuated equilibrium model is that it helps explain

A) why transitional fossils are more common than Darwin would have predicted. B) why transitional fossils tend to be rare and certain common fossil species remain unchanged for long time spans. C) how new species arise from hybridization events. D) why large, widespread populations tend to be the ones that evolve most rapidly and unpredictably.

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Passive immunotherapy does not result in immunological memory.

Answer the following statement true (T) or false (F)

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