Which group is most closely related to fungi?
a. radiolarians
b. stramenopiles
c. alveolates
d. choanoflagellates
e. oomycetes
ANSWER: d
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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
After a sperm penetrates the oocyte, the ovum's nuclear membrane disassembles and the two sets of chromosomes approach each other. At this point, the sets of chromosomes are called
A) mononuclei. B) pronuclei. C) gametocytes. D) gametes.
During mating in frogs, the male clasps the female tightly around the body with his forelimbs. What is the appropriate term for this type of behaviour?
a. marriage b. copulation c. amplexus d. fertilization
The BEST way to protect yourself from the effects of radiation is to:
A) wear a suit designed to completely shield yourself. B) use time, distance, and shielding to your advantage. C) wear a lead suit and self-contained breathing apparatus. D) limit your exposure at an incident to less than 10 minutes.