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Q. Since neurotransmitters are not consumed in the synaptic process
What are the mechanisms to reduce their concentrations in the synaptic cleft after they have been used?
Since the binding of neurotransmitters to the postsynaptic receptors is reversible after these neurochemicals perform their role they must be eliminated from the synaptic cleft. Neurotransmitters can then bind to specific proteins that carry them back to the axon they came from in a process called as neurotransmitter re-uptake. They can also be destroyed by specific enzymes like acetylcholinesterase an enzyme that destroys acetylcholine. Or they can simply diffuse out of the synaptic cleft.
explane the role of nitrogenase enzyme
Define Hormonal and Receptor Proteins? Hormonal proteins : Hormonal proteins coordinate the bodily activities. Several peptide and protein hormones (like insulin and growth ho
Define characteristics of prebiotics? Characteristics of prebiotics Are non-digestible dietary/food ingredients Are not hydrolyzed/absorbed in the upper GIT, reach
what are the chordata?
Q What is the function of the skin in humans? The skin is the external covering of the body. In humans its major functions are protection and perception of information from the
TEET H - Study of teeth is odontology. Accumulation of oral bacteria & their products on teeth is plaque. Some acids are secreted by bacteria causing carries.
a) What process is responsible for the movement of carbon dioxide into a leaf? b) In what conditions might the same process cause oxygen to enter a leaf? (a) Diffusi
a) Mention the main cause of air pollution in metro cities. Write any three ways by which it can be decreased. b) How did Eli Lilly synthesize the human insulin? Mention
A proton accelerates from rest in a uniform electric field of 650 N/C. At some later time, its speed is 1.3 106 m/s. Find the magnitude of the acceleration of the proton. M/s2
Q. How are the female gametes of gymnosperms formed? What is the relationship between this process and the concept of alternation of generations? In the female strobiles (cones
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