Question Detail

BIO 101 BIO 101 Past Questions Objective Question
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Question

Which characteristic differentiates rough ER from smooth ER?
Options
A Presence of vacuoles
B Attached ribosomes
Correct Answer
C Lipid metabolism
D Lack of phospholipid bilayer
Correct Answer

Option B is the correct answer.

Detailed Explanation

Rough Endoplasmic Reticulum (RER) has ribosomes attached to its cytosolic surface, giving it a 'rough' appearance. These ribosomes synthesize proteins that are often destined for secretion or insertion into membranes. Smooth ER lacks ribosomes.

Hint

The name gives it away.

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 822 of 2556
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