What Is the Difference Between "Free" Ribosomes and "Attached" Ribosomes

question 84

Multiple Choice

What is the difference between "free" ribosomes and "attached" ribosomes?

• A) Free ribosomes are found floating within vesicles,whereas attached ribosomes are found anchored to the endoplasmic reticulum.
• B) Free ribosomes produce polypeptides in the cytosol,whereas attached ribosomes produce polypeptides that are inserted into the ER.
• C) Free ribosomes produce polypeptides that are exported from the cell,whereas attached ribosomes make polypeptides for mitochondria and chloroplasts.
• D) Free ribosomes are not organelles,whereas attached ribosomes are organelles.
• E) Free ribosomes translate rRNA into polypeptides,whereas attached ribosomes translate mRNA into polypeptides.

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