Which one of the following cell types would likely have the MOST extensive system of smooth endoplasmic reticulum?

Question

Which one of the following cell types would likely have the MOST extensive system of  smooth  endoplasmic reticulum?

Accepted Answer

Testicular cells that secrete steroid hormones.

Answer

Skin cells that must secrete sweat.

Answer

Pancreatic cells that secrete digestive enzymes.

Answer

Muscle cells with high energy output.

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