Effect of substrate concentration on enzyme catalysed reaction

Rate of reaction increases proportional to increase in [substrate]Rate of reaction then levels off/ plateaus not all active sites are being used; adding substrate increases RoR all active sites used/ [enzyme] becomes limiting

KC

Related Biology A Level answers

All answers ▸

Tetrodotoxin (TTX) is a chemical found in pufferfish which binds to voltage-gated sodium channels causing inactivation via a conformational change. Poisoning can result in paralysis leading to death. How might this occur? (4 marks)


Name 3 possible functions for a membrane protein, and name an example for each.


What are the similarities and differences between DNA and RNA?


What does the Hardy- Weinberg principle state? What is the equation?