AP Biologyeasymcq1 pt
Adrenal cortex cells spend much of their synthetic capacity building steroid hormones from cholesterol. Which organelle should electron micrographs show in unusual abundance in these cells?
A.Lysosomes, which stockpile finished hormones until a signal triggers release.
B.Rough ER, because hormones are short proteins assembled by its attached ribosomes.
C.Central vacuoles, which inflate with hormone solution to force secretion by pressure.
D.Smooth endoplasmic reticulum