Which of the following statements about PCR is false?

(a) PCR uses a DNA polymerase from a thermophilic bacterium.
(b) PCR is particularly powerful because after each cycle of replication, there is a linear increase in the amount of DNA available.
(c) For PCR, every round of replication is preceded by the denaturation of the double-stranded DNA molecules.
(d) The PCR will generate a pool of double-stranded DNA molecules, most of which will have DNA from primers at the 5? ends.


(b)

Biology & Microbiology

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The facial features seen in the child pictured here are characteristic of what syndrome?

1.Down syndrome 2.Trisomy 13 3.fetal alcohol syndrome 4.Cri du chat

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Which statement is NOT generally true of

monocot stems? a. They do not undergo secondary growth. b. They are not tapered along their length. c. Their vascular bundles are distributed throughout the ground tissue. d. Monocot stems have a single, central vascular cylinder. e. All of these are not true.

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N-acetylglucosamine is a repeating disaccharide found in the extracellular matrix.

a. true b. false

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