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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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
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.
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