Multiple Choice
Why do some normal cells fail to respond to a chemical signal?
A) Chemical signals are only delivered to specific cells.
B) Some cells lack the necessary receptors.
C) Some cells are completely without receptors.
D) Some cells are completely without ligands.
E) Signal chemicals often break down before reaching a distant target.
Correct Answer:
Verified
Correct Answer:
Verified
Q46: What by-product results during the production of
Q47: When epinephrine combines with alpha adrenergic receptors
Q48: Lipophilic hormones<br>A) bind to receptors on the
Q49: Insulin increases glucose transport across the cell
Q50: Both insulin and glucagon are peptide hormones
Q52: The binding of lipophilic messengers, such as
Q53: Homeostatic regulation usually involves a(n)_ that is
Q54: Peripheral cells sensitive to the presence of
Q55: "Too much of a good thing can
Q56: Describe or diagram the basic pattern of