What muscle allows mollusks to open and close their shells?
What will be an ideal response?
abductor muscle
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Which of the following statements about the Golgi apparatus is false?
A) It receives transport vesicles from the RER. B) It sends transport vesicles to the RER. C) It produces lysosomes. D) It supplies new membrane components. E) It produces secretory vesicles.
The pituitary gland is connected to the hypothalamus by the
A) infundibulum. B) optic chiasm. C) supraoptic area. D) epithalamus. E) pineal gland.
Select the hormone that is an important satiety signal
a. ADH. b. leptin. c. glucagon. d. glucose. e. TSH.
Triggering of the muscle action potential occurs after
A) acetylcholine binds to chemically gated channels in the motor end plate membrane. B) acetylcholinesterase binds to receptors on the end plate. C) calcium ion binds to channels on the end plate. D) the nerve action potential jumps across the neuromuscular junction. E) Any of these actions can produce an action potential in the muscle cell.