Genetic recombination occurs during
a. prophase of meiosis I.
b. the interphase preceding meiosis II.
c. the mitotic telophase.
d. fertilization.
e. the formation of somatic cells.
Ans: a. prophase of meiosis I.
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A. Only cellular respiration B. Only photosynthesis C. Both photosynthesis and cellular respiration D. Neither photosynthesis nor cellular respiration
The majority of prokaryotic DNA is arrayed in:
A. multiple circular chromosomes. B. a single circular chromosome. C. a single linear chromosome. D. multiple linear chromosomes.
Which of the following is not a function of the RNA-induced silencing complex (RISC)?
A. primary miRNA transcript conversion to precursor miRNA B. cleavage of precursor miRNA to short duplex miRNAs C. facilitation of base pairing between mature miRNA and its complementary sequence in an mRNA D. cleavage of the mRNA transcript targeted by siRNA
What category of compounds helps our body fluids to stay within a consistent pH range?
a. solvents b. buffers c. solutes d. acids e. bases