The First Step in the Post-Translational Processing of Secreted Proteins

question 4

Multiple Choice

The first step in the post-translational processing of secreted proteins in eukaryotes is:

• A)Proteolytic removal of the first two or three amino acid residues from the amino terminus by the signal recognition particle.
• B)Attachment of a mannose-rich oligopeptide to asparagine side chains.
• C)Attachment of mannose-6-phosphate to the protein.
• D)Proteolytic cleavage by signal peptidase.
• E)Formation of disulfide bonds.

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Definitions:

Drawee

The party in a financial transaction who is directed to pay a certain amount of money, typically written on a draft or check.

Cashier's Check

A cashier's check is a check guaranteed by a bank, drawn on the bank's own funds and signed by a cashier.

Check Forgery

The criminal act of making or altering a check with intent to defraud, such as by changing the amount or forging the drawer's signature.

Wrongfully Held Funds

Money that is unjustly retained or withheld from its rightful owner or beneficiary.