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Since neurotransmitters are not consumed in the synaptic process, what are the mechanisms to decrease their concentrations in the synaptic cleft after they have been used?
As 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 exact proteins that keep them back to the axon they came from in a process known as neurotransmitter re-uptake. They can also be destroyed by exact enzymes, such as acetylcholinesterase, an enzyme that destroys acetylcholine. Or they can simply disperse out of the synaptic cleft.
Why do organisms live in certain places? Think of that, the temperature dissimilarity in the desert is huge. So in order to survive, the cactus plant decreases heat gain and he
Roots have no chlorophyll and grow in darkness. So how do roots obtain their food? Food made in the leaves is transported to the roots in the phloem of the vascular bundles.
EXCRETIO N IN EARTHWORM - Main organs are nephredia, pharyngeal, integumentary & septed nephredia. Main are septal nephredia situated on septa.Nephrostome present. Body
list of the structures you would expect to find in the dermis.
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what carbohydrates does a plant make from glucose
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