Consider the graphs below, showing the energy profile through the same reaction under different conditions. What has changed in condition B compared to condition A?Group of answer choicesMore substrate has been added.More product is being formed.The reaction has become unfavourable.An enzyme has been added.An enzyme has been taken away.

What two important properties of an enzyme can be determined from the graph shown below?    1. An indication of the affinity an enzyme has for its substrate  2. The total amount of product produced at the end of the reaction  3. The number of substrate molecules that can be converted into product per unit time  4. The difference in free energy between the products and the substrates  5. The difference in free energy between the transition state and the substratesGroup of answer choices1 and 21 and 34 and 51 and 42 and 3 PreviousNext

Which of the following is responsible for lowering the activation energy of a chemical reaction?Group of answer choicesATPadditional buildup of substrateenzyme activityADP accumulation

Which of the following is NOT TRUE of enzymes?Group of answer choicesall enzymes are proteinsenzymes are changed in the reaction they performenzymes catalyze metabolic reactionsenzymes work on substratesenzymes lower activation energy of reactions

When comparing different rate graphs, which of the following profiles shows the highest rate of reaction?Least product formedSteepest gradientMost product formedShallowest gradient4On a rate graph showing

Select all that applyThe graph shows the percentage of energy derived from four major fuel sources during submaximal exercise over time. As the length of the exercise period increases, the use of which two energy sources increases?Multiple select question.Plasma fatty acidsBlood glucoseMuscle glycogenMuscle triglycerides