The Smooth Endoplasmic Reticulum

question 27

Multiple Choice

The smooth endoplasmic reticulum

• A) is most abundant in cells specialized for protein secretion
• B) gives rise to transport vesicles containing newly synthesized molecules wrapped in a layer of smooth ER membrane
• C) consists of stacks of relatively flattened sacs called cisternae
• D) has many ribosomes
• E) all of these

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