If a cell had a single nonfunctional DNA repair enzyme, how would that cell be affected?
A) The cell could not possibly be viable without that DNA repair enzyme.
B) Mutations during DNA replication would not be repaired, so replication and therefore division would not be possible.
C) The cell's other DNA repair enzymes would most likely compensate and cell viability would be maintained.
D) DNA polymerase would re-replicate any damaged regions of DNA.
C) The cell's other DNA repair enzymes would most likely compensate and cell viability would be maintained.
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In the cross AaBbCc à— AaBbCc, what is the probability of producing the genotype AABBCC?
A) 1/4 B) 1/8 C) 1/16 D) 1/32 E) 1/64
The veins of leaves are used for
a. support. b. identification. c. transport of water and nutrients. d. detachment in the autumn. e. regeneration.
Which of the following is not likely to be a tumor suppressor?
A) A growth factor receptor B) A checkpoint protein C) A DNA repair enzyme D) An apoptosis-promoting factor E) The negative regulator of a CDK
Scrapings from a patient's rash reveal cercariae. The disease is most likely
A) Lyme disease. B) Rocky Mountain spotted fever. C) relapsing fever. D) swimmer's itch. E) Chagas' disease.