A bacteriophage that can integrate its genome into the host chromosome and not cause lysis of the host cell is said to be ________.
A. temperate
B. virulent
C. avirulent
D. moderate
Answer: A
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The incubation period of leprosy is
A. 1 week. B. 3 weeks. C. 3 months. D. 3 or more years
On his voyage around the world, which of the
following scientists gave Darwin an insight into what would become his theory of evolution?
a. Lyell b. Cuvier c. Aristotle d. Paley e. Lamarck
In a monohybrid cross
a. only one trait is being considered. b. the parents are always dominant. c. the parents are always heterozygous. d. no hybrid is produced.
Deserts typically form at __________ latitude where
__________. a. 30 degrees; warm dry air descends b. 60 degrees; warm dry air descends c. 0 degrees; there is intense sunlight d. 60 degrees; warm dry air ascends e. 75 degrees; rising air picks up moisture