How does an enzyme affect activation energy?
Unit 3 AP Biology Insta-Review (Cellular Energetics)

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Biology
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Enzymes decrease the activation energy required for a reaction to occur, allowing the reaction to proceed more quickly.
2.
FLASHCARD QUESTION
Front
Which step of photosynthesis takes place in the thylakoid?
Back
The Light Reactions occur in the thylakoid membranes of chloroplasts.
3.
FLASHCARD QUESTION
Front
If the pH increases, why does the enzyme denature?
Back
An increase in pH affects the charge on the carboxyl and amine groups of the enzyme, leading to denaturation.
4.
FLASHCARD QUESTION
Front
Do enzymes get consumed by reactions?
Back
False. Enzymes are not consumed in reactions and can be used repeatedly.
5.
FLASHCARD QUESTION
Front
What does the Second Law of Thermodynamics state?
Back
Every reaction increases the entropy of the universe.
6.
FLASHCARD QUESTION
Front
What is activation energy?
Back
Activation energy is the minimum energy required for a chemical reaction to occur.
7.
FLASHCARD QUESTION
Front
What are the products of the Light Reactions in photosynthesis?
Back
The Light Reactions produce ATP and NADPH, which are used in the Calvin Cycle.
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