The first part of a new polypeptide chain being produced in a eukaryotic cell has a signal peptide. Translation of this
polypeptide ____.
a. occurs on a free ribosome in the cytosol
b. begins on a free ribosome in the cytosol and is completed on the rough ER
c. occurs in the Golgi apparatus
d. begins on the rough ER and is completed in the Golgi apparatus
e. occurs on the rough ER
ANSWER: b
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