Melanin, hemoglobin, and carotene give color to the skin.
Answer the following statement true (T) or false (F)
True
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What kind of a sugar is fructose?
a. starch b. polysaccharide c. disaccharide d. monosaccharide e. monoglyceride
Which of the following occurs when insulin molecules bind to their receptors on target cells?
A. Both "Phosphorylation of proteins in the plasma membrane in the target cells" and "Increased numbers of active transport molecules for glucose" are correct. B. Increased numbers of active transport molecules for glucose C. Phosphorylation of proteins in the plasma membrane in the target cells D. Minimal uptake of glucose by target cells E. Increased mRNA synthesis in the target cells
The network of ducts in the testis is called the ____ testis
a. rete b. efferent c. epididymal d. afferent
Increased venous tone will
A. relax the veins. B. help return blood to the heart. C. allow blood to pool in the veins. D. stabilize blood velocity in the veins. E. dilate the veins.