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Which of the following is a function of a signal peptide?

Which of the following is a function of a signal peptide? - Peptide Forum

Which of the following is a function of a signal peptide? - Peptide Forum. Ask and discuss questions on peptide protocols, custom peptide synthesis, peptide identification and peptide sequencing.


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Old 09-14-2009, 06:16 PM
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Default Which of the following is a function of a signal peptide?



A. to translocate polypeptides across the ER membrane
B. to direct an mRNA molecule into the cisternal space of the ER
C. to signal the initiation of transcription
D. to terminate translation of the messenger RNA
E. to bind RNA polymerase to DNA and initiate transcription
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Old 09-14-2009, 06:16 PM
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the signal peptide directs the preprohormone to the endoplasmic reticulum for proper processing and packaging by the golgi into vesicles so that it can be excreted when necessary.

so i would say C.
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Old 09-14-2009, 06:16 PM
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C. to signal the initiation of transcription
I believe it is the answer .
GoodLuck
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