The polymerase chain reaction (PCR) is used to:

A. generate single copies of whole
chromosomes.
B. generate multiple copies of whole
chromosomes.
C. generate a single copy of a targeted region
of DNA.
D. generate multiple copies of a targeted
region of DNA.
E. b and d.


C

Biology & Microbiology

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A) Plasmids are always small, linear pieces of DNA. B) Plasmids are composed of single-stranded DNA. C) Plasmids contain genes that are NOT essential for cellular growth and replication. D) Plasmids carry unimportant genes that are of little significance for the ecology and metabolism of an organism.

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The genome of Drosophila melanogaster contains about ____ genes

a. 1,000 b. 14,000 c. 165 million d. 3 billion e. 20,000

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In order to prevent the onset of hemolytic disease of the newborn, an Rh- woman who is pregnant with an Rh+ child can be given ________ during pregnancy

Fill in the blank(s) with correct word

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Explain how and why immersion oil increases resolution but not magnification when using the 100X objective.

What will be an ideal response?

Biology & Microbiology