What Proteins Bind Selectively to Single-Stranded DNA and Are Responsible

question 54

Multiple Choice

What proteins bind selectively to single-stranded DNA and are responsible for keeping it extended and preventing it from being rewound?

• A)DNA helicase
• B)DNA gyrase
• C)single-stranded DNA binding (SSB)proteins
• D)ATPase
• E)DNA unwindase

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Definitions:

Phallic Stage

The period between the third and fourth years when the focus of sexual pleasure shifts to the genitals.

Latency Stage

In psychoanalytic theory, a period in childhood development following the phallic stage, characterized by a decrease in sexual interests and conflicts.

Defense Mechanism

Unconscious mechanisms employed to shield oneself from anxiety generated by thoughts or feelings deemed unacceptable.

Denial

An ego defense mechanism in which a person fails to acknowledge unacceptable thoughts, feelings, or actions.