1. Each replication bubbles consists of

A. 3 replication forks
B. 2 replication forks
C. 4 replication forks
D. 1 replication forks

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2. In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred to as

A. mutational
B. semiconservative
C. discontinuous
D. antiparallel

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3. In a cesium chloride gradient, DNA labeled with ¹⁵N and centrifuged will form a band

A. above DNA containing ¹⁴N
B. below DNA containing ¹⁴N
C. with ¹⁴N-containing DNA
D. all of these

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4. The role of primase is to

A. dismantle RNA primer
B. cleave and unwinds short sections of DNA ahead of the replication fork
C. proofread base pairing
D. synthesize an RNA primer to begin the elongation process

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5. Deoxyribonucleoside triphosphates, being need in the chain termination methods are

A. dATP
B. dGTP and dCTP
C. dTTP
D. all of these

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