Interpret energy diagrams and explain how catalysts lower the activation barrier without changing the overall energy difference.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2023–2026.
An enzyme catalyses the assembly of a larger molecule from smaller reactants. Which energy profile is consistent with an anabolic reaction that still has an activation barrier? R and P indicate the reactant and product ends of each curve. A. Profile A B.…
Two pathways for the same reaction are shown. Which pair of labels is correctly interpreted? A. P: activation energy with catalyst; R: energy added by enzyme B. Q: activation energy with catalyst; R: energy released overall C. R: activation energy; P: energy…
Predict the effect of the enzyme arginase on the reaction’s activation energy.
An uncatalysed reaction starts at the middle dashed energy level, reaches the upper dashed level, and ends at the lower dashed level. Which curve could describe the same reaction with an enzyme? A. Curve A B. Curve B C. Curve C D. Curve D
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