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Many genes occur in alternative forms called alleles.

A) True
B) False

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Which of these processes occurs during a cell's first gap (G1) phase?


A) DNA is semiconservatively replicated.
B) The nuclear envelope breaks down.
C) The cell synthesizes the enzymes that control mitosis.
D) The cell synthesizes proteins and grows.
E) The chromatin condenses into visible chromosomes.

F) B) and E)
G) A) and B)

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The enzyme RNA polymerase participates in translation.

A) True
B) False

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A __________ is composed of a granular cluster of eight proteins called __________ with DNA wound around them.


A) nucleosome;centrosomes
B) nucleosome;histones
C) chromosome;histones
D) chromosome;centromeres
E) centromere;chromatin

F) A) and D)
G) C) and D)

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