Biology A---enzyme review

Biology A---enzyme review

1st Grade

20 Qs

quiz-placeholder

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Biology A---enzyme review

Biology A---enzyme review

Assessment

Quiz

Science

1st Grade

Practice Problem

Easy

Created by

李秀雯 李秀雯

Used 3+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Enzymes are considered to be 
Lipids
Carbohydrate
Protein
Nucleic Acid

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose  of an enzyme?
give permission for the reaction
raise activation energy
speed up reactions
control how many reactions occur

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Where do substrates bind on an enzyme?

substrate

cell membrane

protein channel

active site

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What happens when enzymes are heated to a high temperature?
The enzymes die.
The shapes of the enzyme are altered or denatured
The enzymes' amino acid sequence changes.
The enzymes remain the same

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image
Based on the graph, what temperature does this enzyme work best? 
15 C
40 C
30 C
47 C

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
Which of the following conclusions can be drawn from this graph?
The optimum pH of the enzyme is 6.6.
The optimum pH of the enzyme is 5.8
The enzyme’s activity increases as pH increases 5.0 to 9.0
The enzyme’s activity is greater around pH of 8.0 .

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
Letter D...
active site
enzyme
substrate
products

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