What type of endoplasmic reticulum (ER) is made of tubules and lumens?
a. long ER
b. smooth ER
c. rough ER
d. Golgi complex
e. short ER
b
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The zona reticularis of the adrenal cortex produces
A) androgens. B) glucocorticoids. C) mineralocorticoids. D) epinephrine. E) norepinephrine.
There are many possible causes of cancer including viruses, radiation or exposure to chemicals
a. true b. false
What anchors thin and elastic filaments in place within the myofibril?
A) Z disc B) I band C) A band D) M line
Distinguish between passive and active processes of membrane passage
A) Passive processes do not need ATP and active processes do need ATP. B) Passive processes do need ATP and active processes do not need ATP. C) Passive processes only occur through impermeable membranes and active processes occur in freely permeable membranes. D) Passive processes allow proteins to move and active processes allow lipids to move. E) Passive processes use vesicular transport and active processes use diffusion.