The energy for protein synthesis is generated by the
a. golgi body
b. mitochondria
c. rough er
d. ribosome

b. mitochondria

Explanation:

Most of the ATP produced in the cells, come from the mitochondria, or even in the cytoplasm. In the case of the protein synthesis, since the process starts inside the nucleus of the cell and ends in the cytoplasm, the energy used during the process are obtained mainly from the mitochondria.

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i think that the answer is c