Which part of the endomembrane system stores calcium ions and is associated with not only the production of oils, steroids, and sex hormones, but also the detoxification of alcohols and barbiturates? A.
smooth endoplasmic reticulum

B.
rough endoplasmic reticulum

C.
plasma membrane

D.
Golgi apparatus

a. by using fur or clothes to trap heat energy near the body

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

i think the answer is a.keratin is the pigment responsible for skin color.