the correct statements regarding the transport of proteins to the ER shown in the diagram below.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Select the correct statements regarding the transport of proteins to the ER shown in the diagram below.

 

An interaction between SRP-ribosome and the SRP receptor (SR) positions the ribosome on the translocon channel.
O SRP binds the ER signal sequence in the nascent polypeptide and simultaneously stops translation.
The translocon is a channel that spans the plasma membrane.
O Activation of the GTPase activity of both SR and SRP is required for translation to continue through the translocon.
A signal patch in the nascent polypeptide is required for entry into the ER.
O O O
Transcribed Image Text:An interaction between SRP-ribosome and the SRP receptor (SR) positions the ribosome on the translocon channel. O SRP binds the ER signal sequence in the nascent polypeptide and simultaneously stops translation. The translocon is a channel that spans the plasma membrane. O Activation of the GTPase activity of both SR and SRP is required for translation to continue through the translocon. A signal patch in the nascent polypeptide is required for entry into the ER. O O O
MRNA
Ribosome
Signal
sequence
SRP
4
Cytosol
Plug
Translocon
`SRP receptor
ER
Signal peptidase
Transcribed Image Text:MRNA Ribosome Signal sequence SRP 4 Cytosol Plug Translocon `SRP receptor ER Signal peptidase
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