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i) Which reaction would most likely represent anenzyme-catalyzed reaction? Expla

ID: 4195 • Letter: I

Question

i) Which reaction would most likely represent anenzyme-catalyzed reaction? Explain why. ii) Why does reaction X begin to level off at point Z? iii) Predict how the reaction curve would change if additionalenzymes were added to both reaction X and reaction Y. Givereasons for your prediction. i) Which reaction would most likely represent anenzyme-catalyzed reaction? Explain why. ii) Why does reaction X begin to level off at point Z? iii) Predict how the reaction curve would change if additionalenzymes were added to both reaction X and reaction Y. Givereasons for your prediction.

Explanation / Answer

i) Reaction X is most likely an enzyme-catalyzed reaction becauseit starts to level off at Z because the enzymes are saturated withsubstrate. ii) The enzyme are saturated with substrate. c) The reaction X curve would start to curve up again because nowall the enzymes are saturated with substrate. Reaction Y wouldcurve even steeper because now they have enzymes to speed up thereaction.