A drug that decreases the flow of potassium through the potassium gates of the membrane would:
A. block action potentials
B. increase the threshold of the membrane
C. slow the return of the membrane to its resting potential
D. cause the membrane to be hyperpolarized
Ans: C. slow the return of the membrane to its resting potential
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Gastrulation is an important event in early embryonic development. Which of the following is NOT a result of gastrulation?
A) formation of three embryonic cell layers B) movement and alignment of many embryonic cells C) the formation of a gastrula D) the formation of specialized adult tissues
The atom present in all organic compounds is
a. carbon. b. oxygen. c. nitrogen. d. sulfur. e. hydrogen.
Pain, especially intense sensations, is unpleasant and sometimes difficult for a person to cope with. Nevertheless, pain detection is essential for human survival. Explain how pain detection is necessary for a person's survival
What will be an ideal response?
The enzyme that works in conjunction with ATP to produce bioluminescence is called ____________________.
Fill in the blank(s) with the appropriate word(s).