Regulatory elements in gene control interact
with
a. new polypeptide chains.
b. DNA.
c. RNA.
d. final proteins.
e. all of these.
E
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Linked genes have recombination frequencies between
A. 0 and 10% B. 0 and 25% C. 0 and 50% D. 0 and 75% E. 0 and 100%
Assembly of the T4 phage
A. may involve some self-assembly. B. may involve the use of scaffolds. C. is completely self-assembly. D. is completely dependent on scaffolds. E. may involve some self-assembly AND may involve the use of scaffolds.
In the cAMP signal transduction pathway, a protein kinase is activated. What happens next/
a. G protein is activated. b. GDP is replaced by GTP. c. cAMP is converted to ATP. d. Adenylyl cyclase is activated. e. The protein kinase activates a cellular response.
In E. coli, the lac operon controls the
a. Breakdown of lactose b. Production of lactose c. Breakdown of glucose d. Production of glucose