Which of the following statements is true? Proteins destined for the ER are translated by a special pool of ribosomes whose subunits are always associated with the outer ER membrane. Proteins destined for the ER are translated by cytosolic ribosomes and are targeted to the ER when a signal sequence emerges during translation. Proteins destined for the ER translocate their associated mRNAs into the ER lumen where they are translated. Proteins destined for the ER are translated by a pool of cytosolic ribosomes that contain ER-targeting sequences that interact with ER-associated protein translocators

Question

Nathanael Richard

Biology

4 January, 22:48

Which of the following statements is true? Proteins destined for the ER are translated by a special pool of ribosomes whose subunits are always associated with the outer ER membrane. Proteins destined for the ER are translated by cytosolic ribosomes and are targeted to the ER when a signal sequence emerges during translation. Proteins destined for the ER translocate their associated mRNAs into the ER lumen where they are translated. Proteins destined for the ER are translated by a pool of cytosolic ribosomes that contain ER-targeting sequences that interact with ER-associated protein translocators

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Cynthia Odonnell · Answer 1

Answer: the correct answer is Proteins destined for the ER are translated by cytosolic ribosomes and are targeted to the ER when a signal sequence emerges during translation.

Explanation:

ER means Endoplasmic Reticulum and it works as a manufacturing and packaging system.