A particular haploid strain of yeast contains a temperature-sensitive mutation in its cdc2 gene resulting in no functional Cdc2 protein at the nonpermissive temperature
At the nonpermissive temperature, each of the following events would fail to occur at the appropriate cell cycle stage except
A) replication of DNA.
B) fragmentation of the nuclear envelope.
C) condensation of chromosomes.
D) appearance of the mitotic spindle.
E) prevention of fusion of chromosome ends.
Answer: D
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a) illuminating the organisms. b) staining the organisms. c) killing the organisms. d) magnifying the organisms.
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