Chemicals produced by one group of cells that affect
other target cells are called
a. secretions.
b. signaling molecules.
c. steroids.
d. polymers.
e. enzymes.
Answer: b
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Which of the following scientists is considered to be the “Father of Chemotherapy”?
A) Alexander Fleming B) Paul Ehrlich C) Selman Waksman D) Sir Howard Walter Florey
In addition to controlling states of arousal, the reticular formation also ____
a. controls postural muscle activity b. regulates blood pressure and respiratory activity c. releases hormones that aid in sleep d. controls visual inputs e. controls language and speech patterns
In the sodium-potassium pump, sodium and potassium are both pumped out of the cell via active transport.
Answer the following statement true (T) or false (F)
When the body's blood glucose level rises above normal, what hormone is produced?
A. Glucagon B. Epinephrine C. Insulin D. Prolactin E. Norepinephrine