ENZYMES-BIO-EOC

Flashcard
•
Biology
•
9th - 10th Grade
•
Hard
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19 questions
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1.
FLASHCARD QUESTION
Front
Enzymes are composed of which macromolecule?
Back
protein
2.
FLASHCARD QUESTION
Front
At 50 °C, how will the enzymes in bacterial cells that function best at 70 °C or higher be affected?
Enzymes work best at an optimal temperature.
Back
The enzymes will not increase the rate of reactions as much as they would at 70 °C.
3.
FLASHCARD QUESTION
Front
What is the relationship between enzymes and activation energy?
Back
When an enzyme catalyzes a reaction, it decreases the activation energy of the reaction.
4.
FLASHCARD QUESTION
Front
How would the enzyme in meat tenderizer be affected if the meat is coated with tenderizer and then placed in a refrigerator? Temperature can affect how an enzyme works
Back
It would break down the meat more slowly
5.
FLASHCARD QUESTION
Front
Effect of pH 3 on enzyme with optimal pH 7-9
Enzymes work best at an optimal temperature and pH
Back
make it inactive
6.
FLASHCARD QUESTION
Front
The graph shows how the activity of an enzyme changes over a range of pH values. Which conclusion can be drawn? Options: pepsin works best at a pH near 2, pepsin works best at a pH of 9
Back
pepsin works best at a pH near 2
7.
FLASHCARD QUESTION
Front
What is another name for the substance labeled "catalyst" in a biochemical process?
Back
Enzyme
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