In G2, there are typically high levels of the mitotic cyclin. Why is cdc2 not active during G2 if the mitotic cyclin is present?
A. Cdc2 is also regulated by phosphorylation.
B. Cdc2 does not bind to the mitotic cyclin.
C. Cdc2 requires ubiquitination to be activated.
D. Cdc2 also has to bind to cohesin to be activated.
A. Cdc2 is also regulated by phosphorylation.
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Double-stranded DNA will separate into two strands when exposed to
A. high temperature. B. high pH. C. low temperature. D. low salt. E. high temperature AND high pH.
Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cell under anaerobic
conditions? a. 1 b. 2 c. 32 d. 34 e. 36
Elephantiasis includes all the following, except
A. microfilariae are in the blood. B. it is caused by filarial nematodes. C. larval infestation causes blockage of main lymphatic channels. D. the parasitic helminth is transmitted by black fly vectors. E. severe edema occurs in the extremities and scrotum.
A replication fork is:
a. observed only in prokaryotic chromosomes. b. observed only in nondividing cells.. c. a Y-shaped structure where parental DNA strands are separated by helicase. d. a site where one DNA strand serves as a template, but the other strand is not replicated. e. created by the action of the enzyme RNA polymerase