Goldfish are very hardy fish, which is why they have been in the pet trade for so long. They

are generalist feeders and can tolerate a wide range of oxygen concentrations as well as high
levels of nitrogen (due to waste buildup in a small fish bowl). Based on this, goldfish
____________________.



a. have a large microhabitat
b. have a broad ecological niche
c. face almost no constraints or tradeoffs
d. live in macrohabitats


B

Biology & Microbiology

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Orphaned organelles get lipids using chaperones.

a. true b. false

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Insulin promotes synthesis of ______.

A. protein B. fat C. glycogen D. two of the above E. all of the above

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Which of the following is NOT true about regenerative medicine?

A) Stem cells are involved. B) Repair of damaged tissues takes place. C) Ethical debates have happened around regenerative medicine. D) There are no U.S. companies working on regenerative medicine. E) Regenerative medicine has made progress in bladder and kidney treatments.

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Fertilization of a frog egg triggers the resumption of meiosis by an increase in

a. ATP. b. Ca2+. c. cAMP. d. PIP2.

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