The integrase enzyme of bacteriophage ? is required to:
A. excise the prophage from the host genome.
B. degrade phage mRNA during lysogenic growth.
C. bypass terminator structures downstream from the N and Cro genes.
D. combine multiple DNA segments to make new genes.
A
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An animal with only one opening to take in food and eject waste has a
A. complete digestive tract. B. incomplete digestive tract. C. hydrostatic skeleton. D. coelom. E. psuedocoelom.
Unicellular or colonial eukaryotic organisms that are either autotrophic or heterotrophic belong to the Kingdom
A. Plantae. B. Animalia. C. Protista. D. Bacteria.
The conversion of pyruvic acid to acetyl-CoA can be described as ________, because a molecule of CO2 is produced as a by-product
A) decarboxylation B) amination C) respiration D) oxidation E) phosphorylation
When referring to the following figure, where is the site of covalent bonds that join deoxyribose molecules?
a. Site A b. Site B c. Site C d. Site D e. The site of the covalent bonding is not labeled.