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A nerve impulse travelling down a motor neurone causes the release of acetylcholine from the synpatic knob into the synaptic cleft. This then diffuses across the synaptic cleft down its concentration grad...
Proteins are made up of organic molecules called amino acids. There are thousands of different proteins with diverse functions: storage, transport, structural support, cellular communi...
Exocytosis is the process by which a cell secretes large substances (such as digestive enzymes or hormones) that have been produced inside the cell. Substances produced inside the cell are...
It is all to do with the movement of ions in and out of the neurone cell, which changes the potential difference accross the cell's membrane.
- In a neurone's resting state, the inside o...
A response controlled by relative light and dark periods. The name of the receptors responsible for absorbing light are phytochromes. The photoperiodic stimulus is detected by the AOAnswered by Amy O. • Biology tutor6040 Views
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