How Do Proteins Become Embedded in the Membrane of the Endoplasmic

question 17

Multiple Choice

How do proteins become embedded in the membrane of the endoplasmic reticulum?

• A)by protein chaperones that insert polypeptides into the ER membrane
• B)by splicing of proteins on either side of the ER membrane
• C)via stop- and start-transfer sequences that stop and start translocation of a polypeptide through the ER membrane,resulting in transmembrane proteins
• D)by post-translational import can results in a transmembrane ER protein
• E)via transit sequences that target polypeptides made in the cytosol for the ER membrane

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Definitions:

Chance

Chance is the occurrence of events in the absence of any obvious intention or cause.

Fate

A predetermined course of events often considered to be beyond human control or influence.

Internal Locus Of Control

The belief that individuals control their own destiny and outcomes are the result of their own efforts and decisions.

Control Events

The act of managing or influencing outcomes in certain situations to ensure desired results.