Unit 2 and more Exam

Unit 2 and more Exam

9th - 12th Grade

49 Qs

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Unit 2 and more Exam

Unit 2 and more Exam

Assessment

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9th - 12th Grade

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Stacey Oconnell

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49 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Enzymes are made from which major biomolecule?

proteins
carbohydrates
Lipids
nucleic acids

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the major function of all enzymes?

to build or breakdown substrates
to just build-up substrates
to just break down substrates
to make products

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following molecules is considered an enzyme

ligase
lactose
sucrose
fructose

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

Which of the following conclusions can be drawn from this graph?

The optimum pH of the enzyme is 6.6
The enzyme's activity increases as the pH increases from 5 to 9
The optimum pH of the enzyme is 5.8
The enzymes activity is greater around 8.2 pH

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

Based on the graph, at what temperature does the enzyme work best at?

40
60
20
30

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Enzymes speed up reactions within the human body by...

Forming new cells
Lowering the activation energy
Presenting new genetic information
Providing quick energy for cells

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following best describes the role of enzymes in living organisms?

Enzymes provide energy for cells.
Enzymes speed up the rate of chemical reactions in cells.
Enzymes are structural components of cell membranes.
Enzymes provide insulation for the body.

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