Polymerase Chain Reaction (PCR)

question 40

Multiple Choice

Polymerase chain reaction (PCR) :

• A)allows us to use genetic methods to explore the origins and movements of populations.
• B)is used to amplify tiny sequences of DNA for study.
• C)allows us to study small amounts of DNA available in ancient skeletons.
• D)all of the above

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Definitions:

O,p-director

A term describing substituents on an aromatic ring that direct incoming substituents to the ortho and para positions in electrophilic aromatic substitution reactions.

Strongest Activating Group

A substituent that increases the reactivity of an aromatic ring toward electrophilic aromatic substitution reactions the most.

Electrophilic Aromatic Substitution

A reaction where an electrophile replaces a hydrogen atom in an aromatic ring, a common mechanism in aromatic chemistry.

Sigma Complex

An intermediate in certain chemical reactions characterized by a fully saturated carbon atom bonded to a metal center.