The upstream region of an mRNA, acting as a riboswitch, binds a(n) ________ and results in translational blockage of the downstream protein-encoding sequence

a. antisense RNA
b. metabolite
c. peptide
d. RNAi


Answer: B

Biology & Microbiology

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a. exons b. introns c. promoter regions d. start codons e. regulatory elements

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Pelagic snails that produce a bubble raft in order to remain afloat are

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Humans and many other species rely on soil resources for survival. Which of these human actions is least likely to result in depletion or damage of soil resources?

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