Which of the Following Statements Correctly Describes the Function of a Signal

question 3

Multiple Choice

Which of the following statements correctly describes the function of a signal peptide?

• A) It directs an mRNA molecule into the Golgi apparatus.
• B) It causes RNA polymerase to bind DNA and initiate transcription.
• C) It terminates translation of the messenger RNA.
• D) It assists in the translocation of polypeptides across the ER membrane.
• E) It leads the initiation of transcription.

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Definitions:

Frameshift Mutation

A genetic mutation caused by insertions or deletions of a number of nucleotides that is not divisible by three, leading to a shift in the reading frame of codons and potentially altering protein function.

Phenotypic Plasticity

The potential of an organism to transform its observable traits in adaptation to environmental variations.

Genetic Polymorphisms

The occurrence of two or more distinct forms of a gene within a population, contributing to genetic diversity.

Environmental Stimuli

External cues or changes in the environment that can elicit responses from organisms, affecting their behavior, physiology, and development.