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Q. Function of Adenosine in consciousness?
The adenosine plays a major role in inducing sleep. Injections of adenosine promote sleep and decrease wakefulness. Conversely, adenosine receptor antagonists' caffeine and theophylline are widely used as stimulants to induce vigilance and promote wakefulness.
During wakefulness adenosine accumulates in the extracellular space of the basal forebrain. The increase in extracellular adenosine concentration decreases the activity of the wakefulness-promoting cholinergic neurons in the basal forebrain. When the activity of the wakefulness-active cells decreases sufficiently sleep is initiated. During sleep the extracellular adenosine concentrations decrease, and thus the inhibition of the wakefulness-active cells also decreases allowing the initiation of a new wakefulness period.
Coordination of Digestion You have learnt that digestion is a process in which large food molecules arc broken down step by step into their constituents. In primitive metazoa
Q. Illustrate Chromosome Structure? Cytologists have studied chromosome morphology and have pointed out that the most interesting feature about the chromosome structure is the
Agro Industrial-Baling and cubing Bailing is one of the most common processes used for the conservation of green fodders and grasses in many developed countries and attempts ha
An impermeable membrane separates one liter of a 0.01 M glucose solution in water in the left compartment from one liter of a 0.1 M glucose solution in water in the right compartme
What are the functions of biotin and pantothenic acid for the body? How are these vitamins obtained? Biotin (also called as vitamin B8) is a vitamin that acts in the metabolism
when pollen tube enters the embryo-sac,it has;
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Explain the Peptones - Complex Media? Peptones are protein hydrolysates obtained by partial digestion of meat, casein, soya meal, gelatin or other protein source. These provide
Define the Indications for Root-End Resection Apicoectomy a) Persistent..... "Exactly the SAME of Curettage except the biopsy. b) When the apical portion of the root canal s
how to burn more and more adipose tissues
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