Unit 1 Test Review
Flashcard
•
Biology
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to an enzyme when it denatures?
Back
It becomes inactive.
2.
FLASHCARD QUESTION
Front
What factor can denature an enzyme?
Back
Excessive heat.
3.
FLASHCARD QUESTION
Front
What are lipids made of?
Back
Carbon (C), Hydrogen (H), and Oxygen (O).
4.
FLASHCARD QUESTION
Front
What is the optimum pH of an enzyme if it is 6.6?
Back
The enzyme's activity is highest at pH 6.6.
5.
FLASHCARD QUESTION
Front
What is a hydrogen bond?
Back
A bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule.
6.
FLASHCARD QUESTION
Front
What type of biological molecule is an enzyme?
Back
Protein.
7.
FLASHCARD QUESTION
Front
What is the role of enzymes in biological reactions?
Back
They act as catalysts to speed up chemical reactions.
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