Which of the following is not true of ion pumps?
a. found in the plasma membrane
b. moves material down a concentration gradient
c. is made of protein
d. all of the above are true of ion pumps
b. moves material down a concentration gradient
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________ stimulates the interstitial cells of the testes to secrete ________.
A. Gonadotropin-releasing hormone (GnRH); LH B. Luteinizing hormone (LH); androgen-binding protein (ABP) C. Luteinizing hormone (LH); testosterone D. Luteinizing hormone (LH); estrogen E. Follicle-stimulating hormone (FSH); androgen-binding protein (ABP)
The release of breast milk that occurs when a mother hears a crying child is called the milk ________ reflex
Fill in the blank with correct word.
Oxidation reduction reactions ________.
A) utilize hydrogenases B) may involve the loss of hydrogen and electrons C) are rarely coupled together D) occur via the gain of hydrogen or the loss of oxygen
The renal pelvis is a funnel divided into two or three large collecting cups called major ________.
A. calyces B. renal pyramids C. ureters D. renal columns