Which enzyme converts ATP to cyclic AMP?
a. lactic dehydrogenase
b. creatine phosphokinase
c. pancreatic nucleotidase
d. adenylate cyclase
e. monoamine oxidase
D
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All cases of altruism (along with some cases of mutual benefit) in which we find behaviors that are selected for because they are beneficial to the recipient are collectively known as ________
Fill in the blank(s) with correct word
Which of the following basic features of transcription is NOT shared by both prokaryotes and eukaryotes?
A. Both prokaryotic and eukaryotic genes have a promoter site. B. RNA polymerase transcribes genes in both prokaryotes and eukaryotes. C. Gene transcription involves initiation, elongation, and termination in both prokaryotes and eukaryotes. D. The complexity of protein components involved in transcription is similar for both prokaryotes and eukaryotes. E. The initiation of transcription in both prokaryotes and eukaryotes involves the interactions of more than one protein.
Predict how the plasma membrane fatty acid composition would change as the temperature of the habitat of an aquatic bacterial species warms from 2oC to 15oC during the spring and summer months.
A. The percentage of saturated fatty acids would decrease. B. The percentage of saturated fatty acids would remain unchanged. C. The percentage of saturated fatty acids would increase. D. The percentage of unsaturated fatty acids would increase.
The step of DNA replication in which the replication proteins open up the double helix and prepare for complementary base pairing is called
A) initiation. B) elongation. C) termination. D) translation. E) translocation.