Which of the following is not a DNA-binding motif?
a. zinc finger
b. helix-turn-helix
c. leucine zipper
d. homeodomain
e. These are all DNA-binding domains.
Ans: e
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During which phase of the bacterial growth curve does a bacterial population become much more resistant to harmful conditions?
A. Lag phase B. Exponential phase C. Stationary phase D. Late log phase
In most cases, cancer-causing mutations ____
a. accumulate over a number of years b. accumulate very quickly within a single cell c. metastasize within a short time d. must all occur on the q arm of a chromosome e. occur during the G0 phase of the cell cycle
All arteries, with the exception of the __________, contain oxygen-rich blood
a. aorta b. carotid arteries c. coronary arteries d. pulmonary arteries e. mesenteric arteries
Which of the following is one of the domains of life?
What will be an ideal response?