A mutant cell line is compared with a nonmutant cell line of the same type.The nonmutant cells secrete the steroid estrogen, but the mutant cells do not.Where should a researcher look to determine whether the mutant cells' defect is in the excretion of the hormone or in its synthesis?
A) The smooth ER
B) The rough ER
C) Mitochondria
D) Free ribosomes
E) The Golgi apparatus

Question

Quizplus · Accepted Answer

The smooth ER is involved in the synthesis of lipids and steroids, including estrogen. If the defect is in synthesis, it would be evident in the smooth ER.

A Mutant Cell Line Is Compared with a Nonmutant Cell