________ are pigment-producing cells in the epidermis.
Fill in the blank(s) with the appropriate word(s).
Melanocytes
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Which of the choices below is NOT an essential role of salts in the body?
A) anabolism of lipids B) secretory activity C) neuromuscular activity D) membrane permeability
Enkephalins are neuropeptides
Indicate whether the statement is true or false
Polyuria develops from a changing osmotic effect in the kidney due to
a. glucose in the urine b. less Na+ in the urine c. glucosuria d. both a and c e. none of the above
Glucagon has an important counter-regulatory role that prevents hypoglycemia. Which glucagon-stimulated enzyme increases hepatic glucose production and, thus, blood glucose?
A. hormone-sensitive lipase B. lipoprotein lipase C. fructose-1,6-bisphosphatase D. glycogen synthase E. fatty acyl oxidase