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Answer:
The physical space between the presynaptic and postsynaptic neurons is called the synaptic cleft
and the chemical that is released to signal across this space is called a neurotransmitter
Explanation:
A synapse is the junction between dendrites of two adjacent neurons. Its function is to allow the transmission of nerve impulses from neurone to neurone. Tn the presynaptic knob there are vesicles which contain a transmitter substance which is usually acetylcholine. The acetylcholine diffuses from the presynaptic membrane to the postsynaptic membrane.
<span> </span>Stars<span> are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of </span>stars<span> provides enough energy to make them shine brightly for many years. The exact lifetime of a </span>star<span> depends very much on its size. I hope that answers your question. :)</span>
Answer: The lesser trochanter of the femur
Explanation:
I just typed it and it said correct on the same question
If a chromatographic column is not placed in a vertical position, the flow and the separation rate of the materials which are been separated may be negatively affected, that is, it may be slowed down, this is because the column is not inclined in the same direction as the flow of the separating substances. Also, collecting the products of the separation will be a bit difficult. If the column is placed in a vertical position, then a test tube can be placed at the end of the column for collecting the separated product
