Match the structure or compound to its function.
1. transporter for iron absorption
2. transports iron to the blood
3. hormone that decreases iron absorption
4. blocks cholesterol absorption
5. transporter for cholesterol absorption
A. ezetimbe
B. ferroportin
C. hepcidin
D. DMT1
E. NPC1L1
1. D. DMT1
2. B. ferroportin
3. C. hepcidin
4. A. ezetimbe
5. A. ezetimbe
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As exercise begins, ________ occur(s) as the rate of oxygen consumption in skeletal muscles increases.
A) extensive changes in the pattern of blood distribution B) vasomotor activation C) decreased cardiac output D) decreased venous return E) extensive vasodilation
Voluntary micturition
A. involves higher brain centers. B. involves control of the internal sphincter. C. is a reflex action. D. is common in infants. E. involves control of smooth muscle.
List three macrominerals
What will be an ideal response?
The internal (intracellular) receptor for steroid hormones acts as a transcription factor. Therefore, the cellular response to a steroid would be expected to include
a. an increase in mRNA produced from specific genes. b. an increase in protein production, representing specific gene products. c. both of these. d. neither of these.