Of the following list of ingredients of an energy drink, which is likely the biggest contributor to the boost of energy felt?
A. tyrosine
B. malic acid
C. caffeine
D. taurine
E. folic acid
Answer: C
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In the figure above, diagram 2 represents
a. a molecule of chlorophyll. b. a phospholipid in the thylakoid membrane. c. a primary electron acceptor. d. a nonlight-reactive accessory pigment. e. a carotenoid
What are the categories of taste sensation?
A. sweet, salty, sour, creamy, umami B. sweet, sour, salty, bitter, umami C. sweet, salty, bitter, chocolate, coffee D. sweet, sour, salty, creamy, savory
Water in the oceans tends to move in great currents from the:
a. north pole to the south pole b. equator to the poles c. poles to the equator d. south pole to the north pole e. equator to the poles and back again
The presence of which combination of molecules would lead to active transcription of an operon?
A) activator + corepressor B) activator + repressor C) inducer + corepressor D) repressor + corepressor E) activator + inducer