When the Function of the Newly Made Polypeptide Is to Be

question 14

Multiple Choice

When the function of the newly made polypeptide is to be secreted from the cell where it has been made, what must occur?

• 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, from which it goes to the Golgi.
• C) It has a signal sequence that must be cleaved off before it can enter the ER.
• D) It has a signal sequence that targets it to the cell's plasma membrane where it causes exocytosis.
• E) Its signal sequence causes it to be encased in a vesicle as soon as it is translated.

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