What happens to a lizard's metabolic rate when the temperature increases 10°C?
A) The metabolic rate stays constant.
B) The metabolic rate approximately doubles.
C) The metabolic rate approximately triples.
D) The metabolic rate approximately quadruples.
B
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Which of the following best describes the double-helix of DNA?
A. It has directionality B. The strands are arranged in an anti-parallel arrangement C. The strands are complementary D. All of the answers are correct
Which of the following statement about the plasma membrane Na+/K+-ATPase pump is INCORRECT?
A. It is used to generate sodium and potassium gradients across the membrane. B. It is an electrogenic pump. C. It is a pump for active transport of K+ out of the cell and Na+ into the cell. D. It is a pump for active transport of K+ into the cell and Na+ out of the cell. E. It is a pump that utilizes energy from ATP.
Which of the following is NOT an advantage or beneficial material that fungi provide for their photosynthetic symbiont?
A. carbon dioxide B. water and minerals C. chemicals deterring grazers and pathogens D. protection from excess light E. oxygen
One map unit is equal to a recombination frequency of
A) 1%. B) 5%. C) 10%. D) 50%. E) 100%.