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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb04ba412-addf-4a75-9198-e98a0ef47f63%2Fbb91c1d7-35c5-4abb-bfd2-06ed65256dd5%2Fc6bj1vb_processed.png&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb04ba412-addf-4a75-9198-e98a0ef47f63%2Fbb91c1d7-35c5-4abb-bfd2-06ed65256dd5%2Febx9pra_processed.png&w=3840&q=75)
Transcribed Image Text:MRNA
Ribosome
Signal
sequence
SRP
4
Cytosol
Plug
Translocon
`SRP receptor
ER
Signal peptidase
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