Although the effects of an EPSP are subliminal, explain how EPSPs affect membrane potential. What will be an ideal response?
Concepts to Consider: EPSPs cause partial depolarization of the membrane. Repeated
stimuli propagate new EPSPs before previous ones have diminished. These can be added
together (summation) to bring the neuron to threshold level. Also, a neuron can be stimulated
in more than one place at one time when several synaptic terminals release neurotransmitters,
which leads to summation
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What happens to the ATP molecule after it has been used to do work?
A. It is completely destroyed. B. It breaks down into carbon dioxide and water. C. It is split into two molecules of pyruvic acid. D. It loses a phosphate group and is converted to ADP.
The acid growth hypothesis links
A. oligosaccharins to pH changes. B. cytokinin to thigmonasty. C. auxin to cell wall expansion. D. gibberellin to root elongation. E. ethylene to leaf abscission.
In mammals, about 65% of the water from the filtrate gets reabsorbed. In which segment of the excretory tubule does this occur?
a. in the ascending segment of the loop of Henle b. in the Bowman's capsule c. in the proximal convoluted tubule d. in the distal convoluted tubule
There is more diversity in heavy chains resulting from combinatorial joining than is seen in light chains.
Answer the following statement true (T) or false (F)