When hosts are plentiful, viruses employ a ________ lifestyle, and when host numbers are low, they tend toward a ________ cycle
a. lysogenic / lytic
b. lytic / lysogenic
c. temperate / virulent
d. planktonic / sessile
Answer: B
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A. by operating the C4 acid cycle faster than the Calvin cycle B. by suppressing photorespiration C. by using ATP to produce PEP D. by fixing HCO3 - instead of CO2 E. by using PEP carboxylase, which is not affected by O2
DNA stores the information needed for the synthesis of cellular _______
A. proteins B. carbohydrates C. lipids
In the cell cycle, a mitotic Cdk is present during
A) G1. B) G2. C) M. D) S. E) all of the above
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A. secondary; primary B. intermediate; primary C. negative; positive D. positive; negative E. primary; secondary