If a Newly Made Polypeptide Is to Be Secreted from a Cell

question 62

Multiple Choice

If a newly made polypeptide is to be secreted from a cell, what must occur before it is secreted?

• A) It must be translated by a ribosome that remains free of attachment to the ER.
• B) Its signal sequence must target it to the ER, after which it goes to the Golgi.
• C) Its signal sequence must be cleaved off before the polypeptide can enter the ER.
• D) Its signal sequence must target it to the plasma membrane, where it causes exocytosis.
• E) Its signal sequence must cause it to be encased in a vesicle as soon as it is translated.

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Definitions:

Utility Function

A mathematical representation of how consumer preferences over goods or services translate into utility or satisfaction levels.

Whisky Consumption

The act of drinking whisky, which can be measured by volume consumed over a given period.

Gallons

A measure of volume in the US customary units and the British imperial system, used primarily for fuel and liquid goods.

Whisky Consumption

The action or practice of drinking whisky, which can be analyzed for its economic impacts, trends, and consumer preferences.