The Signal-Recognition Particle (SRP)

question 23

Multiple Choice

The signal-recognition particle (SRP) ...

• A) is a heterodimeric protein.
• B) transiently inhibits translation and polypeptide elongation by binding to and inhibiting the elongation factors.
• C) accompanies the nascent polypeptide all the way into the ER lumen.
• D) binds GTP.
• E) is permanently attached to the cytosolic face of the ER membrane, thus bringing the ribosomes into close proximity of the translocon.

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Definitions:

Par Value

The face value of a bond or stock as stated by the issuer, which may differ from its market value.

Offering Price

The initial price at which a company's shares are made available to the public during an Initial Public Offering (IPO).

Par Value

Refers to the face value of a bond or the stated value of a stock, indicating the amount that will be paid out at maturity or represented in the corporation's documents.