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Q. What is the neuromuscular synapse?
Neuromuscular synapse is the structure through which the neural impulse passes from the axon of a motor neuron to the muscle cell. This structure is also called as neuromuscular junction or motor end plate. As in the nervous synapse the axonal terminal membrane releases the neurotransmitter acetylcholine in the cleft between the two cells. Acetylcholine binds to specific receptors of the muscle membrane dependent sodium channels then depolarization and the open of the muscle membrane begins and the impulse is then transmitted to the sarcoplasmic reticulum that releases calcium ions into the sarcomeres of the myofibrils thus triggering contraction.
Define Composition of Individual Phase in Phase Diagram - One Phase? The way in which we interpret a two-dimensional phase diagram to obtain the compositions of individual phas
ONSE T OF PUBERTY IN FEMALE - Attains at the age of 13 by estrogen hormone. It includes - 1. Growt h of breasts 2. Growth
Q. Explain Spoilage of Sweetened condensed milk? The sweetened condensed milk contains about 8% milk fat, 23% total milk solids and sweetened with the addition of a sweetener,
Selective Destruction - Wildlife The selective destruction of one species of an existing fauna can produce equally unfortunate results. The perfect demonstration of unexpected
Oxygen - Aquatic Ecosystem Oxygen is found in waters in dissolved form. It enters the aquatic ecosystem through the air water interface and by the photosynthetic activities of
Methods of Filter Feeding More elaborate methods of filter feeding are seen in tube dwelling polychaetes which use tentacles to entangle the food particles. Figure shows some
Phases of viruses Viruses have two phases to their existence Inside their host cells where they exhibit certain living characteristics. outside their host where they
Bacteria have a region known as a nucleoid, in which their genetic material is located. Why, then, are bacteria classify as prokaryotes? The nucleoid is not surrounded by a mem
Explain the carrying capacity in ecology? Carrying Capacity : We have seen that natural populations do not normally achieve the maximum intrinsic rate of natural increase, o
Development of Reserves - Conservation of Wildlife Establishment of Biological reserves, National parks, Forest reserves, Wildlife refuges and Biosphere reserves are effective
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