In Double-Stranded DNA, the Amount of a Equals That of T

question 61

Multiple Choice

In double-stranded DNA, the amount of A equals that of T and the amount of C equals that of G because:

• A)the strands wind around one another.
• B)the strands have complementary sequences of bases.
• C)pyrimidines always pair with each other, as do purines.
• D)one strand runs 5' to 3' and the other 3' to 5'.

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Definitions:

Confrontative Exposure

A therapeutic practice where individuals confront their fears or traumas directly in a controlled environment to reduce sensitivity.

In Vivo

A term used to describe experiments or procedures performed or taking place in a living organism.

Flooding

A psychological technique used in behavior therapy, often for phobias, where the patient is exposed to an overwhelming amount of the anxiety-provoking stimulus in order to reduce the fear response.

Implosive Therapy

A therapeutic technique where clients are exposed to their fears in a controlled environment to reduce anxiety.