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A stimulus excites a neuron by causing the opening of sodium channels. This causes an influx of sodium which causes the opening of other voltage-gated sodium channels. This causes the membrane...
Emphysema is an obstructive lung disease(1), where alveoli collapse due to break down of elastin in their walls(2). This means that the lungs cannot recoil(3), making expiration difficult. There is less s...
a) What are enzymes and what are their function? Use this information to explain how malonate acts as an inhibitor.
What are enzymes? Enzymes are proteins that act as catalysts in living cel...
Endopeptidases hydrolyse internal (peptide bonds) OR exopeptididases remove amino acids/hydrolyse (bonds) at the ends therefore there are more ends/increase in surfacae area for expopeptidases to work on....
The other type of enzyme required is a dipeptidase.
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