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Blood glucose concentration levels fluctuates depending on what has been eaten and how much activity has been done. alpha and beta (B) cells in...
The pancreas detects rises in blood glucose levelsThis triggers pancreatic beta cells to secrete insulin, and inhibits alpha cells from secreting glucagonInsulin stimulates the uptake of glucose into cell...
Modifiable; SmokingObesity High cholesterol Non-modifiable; AgeGenderRace
Proteins have three or four levels of structure, in increasing complexity. Primary structure is the sequence of amino acids that the protein is made up of; secondary structure is either alpha-helices or b...
1 - Stimulus excites the neurone cell membrane, causing sodium ion channels to open, so sodium ions diffuse into the neurone, making it less negative. This depolarises the inside of the membrane.2 - Depol...
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