What is a substance called if it speeds up a chemical reaction?
Enzymes

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Science
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Catalyst
2.
FLASHCARD QUESTION
Front
An enzyme speeds up a reaction by:
Back
Lowering the activation energy
3.
FLASHCARD QUESTION
Front
What is the monomer for protein?
Back
Amino Acids
4.
FLASHCARD QUESTION
Front
An enzyme can only be used once in a chemical reaction. True or False?
Back
False
5.
FLASHCARD QUESTION
Front
What is the optimum pH of an enzyme if its activity is highest at pH 6.6?
Back
6.6
6.
FLASHCARD QUESTION
Front
What are enzymes made of?
Back
Proteins
7.
FLASHCARD QUESTION
Front
What is the role of a catalyst in a chemical reaction?
Back
To increase the rate of the reaction without being consumed.
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