Which of the Following Is a Function of a Signal

question 15

Multiple Choice

Which of the following is a function of a signal peptide?

• A) to direct an mRNA molecule into the cisternal space of the ER
• B) to bind RNA polymerase to DNA and initiate transcription
• C) to terminate translation of the messenger RNA
• D) to translocate polypeptides across the ER membrane
• E) to signal the initiation of transcription

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Definitions:

Experimentation

A method of scientific investigation involving the manipulation and controlled testing of variables to establish cause and effect relationships.

Correlational Research

A research method that examines the relationship between two or more variables to determine if a correlation exists.

Consumption of Alcohol

The act of drinking beverages containing ethanol, which can affect mood, behavior, and health.

Double-Blind Procedure

An experimental method in which neither the participants nor the experimenters know who is receiving a particular treatment, to reduce bias.