__________ conversion occurs when a bacterium carrying viral genes takes on new, atypical
characteristics.
a. Transducing
b. Lysogenic
c. Prophage
d. Lytic
e. Reverse
B
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A bacteriophage that has integrated into the bacterial chromosome is called a prophage
Indicate whether the statement is true or false
Both mosses and ferns "show their aquatic ancestry" because they:
A) require water for egg laying. B) typically require water for sperm delivery to the egg. C) lack a water-repellent cuticle. D) have roots that must remain wet at all times.
What part of a cell's cytoplasm is responsible for the diversity of nerve cell shape?
A. the cytoskeleton B. the endomembrane system C. the nucleus D. All of the answer options are correct.
For the polymerase chain reaction to occur, ____
a. isolated DNA molecules must be primed b. all DNA fragments must be identical c. the DNA must remain double stranded d. a sticky end must be available for the ligase enzyme to function e. a large sample of DNA is needed