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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+
Q. What is Polypropylenes? Polypropylenes (PP) (cast PP, Bi-axially oriented PP (BOPP), pearlized PP): Polypropylene is often termed a breathable film. This film is not a
Explain Precautions for Preparation of Bacterial Smear? 1. Plates used should be prepared 24 hours before use to avoid spreading of colonies due to moisture in plates. 2. Sw
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Chemical energy of matter : As is obvious from the above account living cells obtain energy by breaking C-C and C-H bonds of organic matter under the process of catabol
Functions of Ovary The ovary of vertebrates performs the following functions: Production of eggs, Synthesis of hormones needed for the chemical coordination of repr
explain parasitism.
Rare Species - Wildlife These are those species whose numbers are few or they live in such small areas or in such unusual environments (endemics), that they could quickly disa
SPINAL NERVES 31 Pairs. Mixed type. Total weight 150 gms. At the base of origin of spinal nerves gland of swammardon or calcarious ganglion is present. Composed of m
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Which are the beings that form the kingdom Animalia? What are the two big groups into which this kingdom is divided? The kingdom Animalia is the animal kingdom. Commonly the ki
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