In an elegant set of experiments, which protein did Anfinsen study in order to understand how the three-dimensional
structure of proteins is determined?
a. ovalbumin
b. chaperonin
c. ribonuclease
d. insulin
e. hemoglobin
ANSWER: c
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The major driving force for glomerular filtration is ____
a. blood pressure b. partial pressure c. osmosis d. diffusion e. active transport
The increase of agricultural yields due to the development of high-yield varieties of crops and the use of modern cultivation methods is referred to as the ________
A) wonder crops B) crop revolution C) green revolution D) farm aid
Humans are able to synthesize all the vitamins they need
Indicate whether the statement is true or false
The biological clock controlling circadian rhythms must ultimately _____
A) depend on environmental cues B) affect gene transcription C) stabilize on a 24-hour cycle D) speed up or slow down with increasing or decreasing temperature