Catecholamines activate postsynaptic cells by ________.
A. inhibition of adenylate cyclase
B. inhibition of calmodulin
C. increased production of cyclic AMP
D. increased Ca2+ influx into the target cell
Answer: C
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. A tissue containing cells capable of changing membrane potential is an excitable tissue. 2. The serous membrane lining the circulatory system is a mesothelium. 3. In an epithelium, there is almost no extracellular matrix. 4. Fibrocartilage is found in intervertebral discs. 5. Blood consists of cells and a ground substance made of formed elements.
How many polypeptide chains make up hemoglobin?
What will be an ideal response
Which process begins as the surface of the blastocyst next to the inner cell mass adheres to the uterine lining?
A) oocyte activation B) placentation C) embryogenesis D) implantation E) blastocyst formation
Striated involuntary muscle tissue is classified as ________ muscle
A) skeletal B) cardiac C) smooth D) either smooth or skeletal