In one form of endocytosis a molecule binds to a specific protein on the cell surface and triggers vesicle formation and endocytosis. What type of transport is this?
A. Active exocytosis
B. Pinocytosis
C. Facilitated diffusion
D. Receptor-mediated endocytosis
Answer: D
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Glucagon directs the ________ to release stored glucose in the form of glycogen.
A. pancreas B. liver C. kidneys D. spleen
The pyloric gland area of the stomach antrum
a. secretes gastrin. b. is inhibited when gastric pH falls too low. c. is stimulated by the presence of glucose. d. both secretes gastrin and is inhibited when the gastric pH falls too low. e. all of these answers.
Glucose is reabsorbed _______.
A) through transmembrane proteins B) into the peritubular capillaries C) by secondary active transport D) by facilitated diffusion E) All of the above are correct
Answer the following questions true (T) or false (F)
1. Symphysis joints provide no movement and are functionally classified as synarthroses. 2. Both synovial fluid and articular cartilage function in shock absorption and the lubrication of a synovial joint. 3. Synovial joints are different from cartilaginous and fibrous joints due to the presence of a joint (synovial) cavity.