Answer: Option D: Neuromuscular junction
Explanation:
This is the site of transmission of chemical signal also known as a chemical synapse between a neuron and a muscle fibre. Most of the time the chemical released which is a neurotransmitter is acetylcholine. When released, it stimulates the release of calcuim ions present in the sarcoplasm: an endoplasm like structure in the muscle fiber that contains calcium ions.
They grow Hyphae instead.
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Answer:
Explanation:
Air sinks and spirals outward in a high-pressure system.The movement is in a clockwise direction in the northern hemisphere.In low-pressure systems,air rises and spirals inward in a counterclockwisw direction.
1-PH.....
2-Turbidity......
