Membrane-bound receptors
A. can interact with DNA in the nucleus.
B. are small, lipid soluble molecules.
C. have their receptor sites on the outer surface of the plasma membrane.
D. do not exhibit specificity.
E. have no effect on the cell.
Answer: C
You might also like to view...
The control center of a homeostatic mechanism
A. brings about change to the internal environment.?B. integrates sensory input and signals for change as needed.?C. is a change in the external environment.?D. detects a change in a variable that is being regulated.
The overall purpose of the countercurrent exchange system is to ________
A) supply nutrients and oxygen to the renal cortex B) remove metabolic wastes from the renal cortex C) supply salt and urea to the renal medulla D) supply nutrients and oxygen to the renal medulla E) remove metabolic wastes from the renal medulla
Which of the following would be an abnormal pH for urine?
A. 5.0 B. 6.0 C. 8.0 D. 11.0
Which glands secrete an oily substance that coats the hair shafts and the epidermal surface?
A) merocrine glands B) sweat glands C) mammary glands D) sebaceous glands