If a Mutation Rendered the Signal Recognition Particle Receptor Nonfunctional

question 143

Multiple Choice

If a mutation rendered the signal recognition particle receptor nonfunctional such that it is no longer able to dissociate from the SRP, what would be the most obvious effect on the cell?

• A)Translation of most proteins would be incomplete.
• B)All proteins normally secreted by the cell would remain partially formed and attached to the endoplasmic reticulum.
• C)Proteins destined for the nucleus would remain in the cytosol.
• D)No proteins would arrive at their proper destinations within the cell.
• E)All proteins normally secreted by the cell would remain in the cytosol.

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Definitions:

Reagents

Substances or compounds that are added to a system in order to bring about a chemical reaction.

Organic Product

A compound resulting from an organic reaction, typically consisting of carbon-based molecules.

Self-Selected Sample

A sample in which the members volunteer themselves, which may lead to bias in the sample population.

Nonsampling Errors

Errors in data collection and analysis not related to the act of sampling, including measurement and processing errors.