Which statement is false?
a. A nerve will not fire unless a stimulus exceeds the threshold.
b. An action potential is an all-or-nothing event.
c. An action potential continues indefinitely until a quenching signal is released.
d. An action potential is self-propagating.
e. An action potential transmission depends on activities at the membrane.
C
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Which structure(s) could be considered to be blood reservoirs?
a. arteries b. arterioles c. capillaries d. heart e. veins
Simple sugars like glucose can be detected and measured using orcinol
a. True b. False
Destruction of the motor areas in the left cerebral cortex results in the loss of
a. sensation on the right side of the body. b. sensation on the left side of the body. c. voluntary movement on the left side of the body. d. voluntary movement on the right side of the body. e. basic sex drive.
Why does DNA pol I carry the number one?
A. It is the only polymerase that has both 3' to 5' and 5' to 3' exonuclease activity. B. It is the first polymerase to be activated during DNA replication. C. It is the smallest polymerase. D. It was the first polymerase isolated from E. coli.