Which of the following is true of methionine?
A) It is the C-terminus of all active proteins.
B) It is the N-terminus of all active proteins.
C) During protein synthesis it is always the C-terminus.
D) During protein synthesis it is always the N-terminus.
D
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Which of the following cloud types most likely forms in an unstable atmosphere?
A. stratus B. cirrostratus C. cumulonimbus D. nimbostratus
Which of the following is least likely to be a volcano?
A) A vent where magma and other volcanic material is erupted B) A hill with a crater formed at the site of an eruption C) A hill capped by volcanic rocks D) A fissure that erupts hot, molten lava E) A mountain that erupts only volcanic ash
The bleaching agent in many detergents is which of the following?
A) a sodium alkylbenzenesulfonate B) sodium silicate C) sodium perborate tetrahydrate D) Any of these, they are all bleaching agents.
Near the equator, the patterns of convection currents are called ________
A) El Niño events B) Coriolis cells C) Hadley cells D) Ferrel cells E) polar cells