B.11B_Enzymes_onlevel – Assessment – 04
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B.11B_Enzymes_onlevel – Assessment
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Question 1 of 4
1. Question
- Enzymes are usually which type of organic molecule?
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Question 2 of 4
2. Question
- The part of the enzyme molecule where the substrate binds is called the:
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Question 3 of 4
3. Question
- Because enzymes are very specific, the only enzyme that breaks down lactose is:
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Question 4 of 4
4. Question
- Complete the following sentence.
- Enzymes and other catalysts increase the rate of a chemical reaction by (lowering -or- decreasing) the activation energy needed to start the reaction.
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Enzymes and other catalysts increase the rate of a chemical reaction by {lowering -or- decreasing} the activation energy needed to start the reaction.
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Question 5 of 4
5. Question
- What happens to an enzyme after the product(s) breaks away from its active site?
It is now free for another substrate to temporarily bind to it and repeat the process.
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