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Action potentials include changes in the membrane potential of an axon, as shown in the schematic below.
During the refractory period, sodium channels are inactivated and cannot be opened by depolarization. Like 'temporary' inactivation mechanism has evolved and ensures:
a. The sodium channel has ample time to revert to its 'resting state' conformation.
b. The action potential travels unidirectionally.
c. Na+,K+-ATPase has sufficient time to pump Na+ out.
d. the membrane potential stays below the resting potential of Na+
Define Future Projections in the Field of Public Nutrition? We discussed earlier that the field of public nutrition has existed for a long time, although not by this name. A he
What is the thermopenetration concept? The pasteurization of products packed in glass containers leads to a problem of a specific nature, which is referred to as 'thermopenetra
In one study of a heavily polluted area near Birmingham, England, a researcher observed a frequency of 87% melanic Biston betlularia. Calculate the frequency of the dominant allele
Q. Medical Management of mitral regurgitation? Vasodilator therapy to reduce afterload may be beneficial in patients with chronic mitral regurgitation, but there is no evidence
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The biomass available for consumption by the herbivores and the decomposers is called : 1. Net primary productivity 2. Secondary productivity 3. Standing crop 4. Gross
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Explain Results of abdominal aneurysm surgery? Results: For ascending aorta replacement, the hospital mortality varies from 0 to 9 per cent. Aortic arch has higher risk of
Nature of Metabolites in Sieve Tubes The phloem sap contains three major classes of organic compounds - organic acids, amino acids and sucrose besides some cations, anions and
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