Listen 96 73 Membranes and the Export of Proteins Key Idea: The synthesis, packaging and movement of functional. This modification takes place in the rough macromolecules inside the cell involves coordination between several membrane-bound organelles. Many proteins need to be modified in order to become before packaged and shipped to its final destination. endoplasmic reticulum (rER). From the rER, proteins are transported to the Golgi where the protein is further modified As it enters the cisternal space inside the ER, it falds up into its correct 3-dimensional shape. Ribosomes on the surface of the endoplasmic reticulum (ER) translate MANA into a polypeptide chain. Most proteins destined for secretion are glycoproteins (.e. they are proteins with carbohydrates added to them). Attachment of Ribosome carbohydrate to the protein by enzymes (glycosylation) occurs in the rER. Proteins destined for The chain is threaded through secretion leave the ER the ER membrane into the cisternal space, possibly through a pore. Transport wrapped in transport vesicles which bud off from the outer region of the ER. vesicle These vesicles are received by 6. the Golgi apparatus which further modifies, processes, and packages the proteins. Proteins move through the Golgi stack from one side of the organelle to the other, undergoing modification by different enzymes along the way. They are eventually shipped to the cell's surface, where they can be exported from the cell Transport vesicle by exccytosis. 1. Explain how ribosomes, endoplasmic reticulum, transport vesicles, and the Golgi interact to enable cellular secretion: DOACTICE ODACTICE

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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96
73 Membranes and the Export of Proteins
Key Idea: The synthesis, packaging and movement of functional. This modification takes place in the rough
macromolecules inside the cell involves coordination between
several membrane-bound organelles.
Many proteins need to be modified in order to become before packaged and shipped to its final destination.
endoplasmic reticulum (rER). From the rER, proteins are
transported to the Golgi where the protein is further modified
As it enters the cisternal
space inside the ER, it
falds up into its correct
3-dimensional shape.
Ribosomes on the surface of
the endoplasmic reticulum
(ER) translate MANA into a
polypeptide chain.
Most proteins destined for
secretion are glycoproteins
(.e. they are proteins with
carbohydrates added
to them). Attachment of
Ribosome
carbohydrate to the protein
by enzymes (glycosylation)
occurs in the rER.
Proteins destined for
The chain is threaded through
secretion leave the ER
the ER membrane into the
cisternal space, possibly
through a pore.
Transport
wrapped in transport
vesicles which bud off from
the outer region of the ER.
vesicle
These vesicles are received by
6.
the Golgi apparatus which further
modifies, processes, and packages
the proteins. Proteins move through
the Golgi stack from one side of the
organelle to the other, undergoing
modification by different enzymes
along the way. They are eventually
shipped to the cell's surface, where
they can be exported from the cell
Transport
vesicle
by exccytosis.
1. Explain how ribosomes, endoplasmic reticulum, transport vesicles, and the Golgi interact to enable cellular secretion:
DOACTICE
ODACTICE
Transcribed Image Text:Listen 96 73 Membranes and the Export of Proteins Key Idea: The synthesis, packaging and movement of functional. This modification takes place in the rough macromolecules inside the cell involves coordination between several membrane-bound organelles. Many proteins need to be modified in order to become before packaged and shipped to its final destination. endoplasmic reticulum (rER). From the rER, proteins are transported to the Golgi where the protein is further modified As it enters the cisternal space inside the ER, it falds up into its correct 3-dimensional shape. Ribosomes on the surface of the endoplasmic reticulum (ER) translate MANA into a polypeptide chain. Most proteins destined for secretion are glycoproteins (.e. they are proteins with carbohydrates added to them). Attachment of Ribosome carbohydrate to the protein by enzymes (glycosylation) occurs in the rER. Proteins destined for The chain is threaded through secretion leave the ER the ER membrane into the cisternal space, possibly through a pore. Transport wrapped in transport vesicles which bud off from the outer region of the ER. vesicle These vesicles are received by 6. the Golgi apparatus which further modifies, processes, and packages the proteins. Proteins move through the Golgi stack from one side of the organelle to the other, undergoing modification by different enzymes along the way. They are eventually shipped to the cell's surface, where they can be exported from the cell Transport vesicle by exccytosis. 1. Explain how ribosomes, endoplasmic reticulum, transport vesicles, and the Golgi interact to enable cellular secretion: DOACTICE ODACTICE
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