Enzymes

Enzymes

10th Grade

21 Qs

quiz-placeholder

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Enzymes

Enzymes

Assessment

Quiz

Science

10th Grade

Medium

NGSS
HS-PS1-2, MS-LS1-7

Standards-aligned

Created by

Janine Bertolotti

Used 3+ times

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Base your answer to the following question on the diagram below, which represents a chemical reaction that occurs in the human body, and on your knowledge of biology. Which statement describes a characteristic of molecule Z?

Molecule Z will function at any temperature above 20°C.

Molecule Z is composed of a string of molecular bases represented by A, T, G, and C.

Molecule Z will function best at a specific pH.

Molecule Z is not specific, so this reaction can be controlled by any other chemical in the body.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Luciferin is a molecule that, when broken down in fireflies, produces heat and light. The rate at which luciferin is broken down in cells is controlled by

a carbohydrate

a simple sugar

an enzyme

a complex fat

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lipase, maltase, and protease are members of a group of catalysts known as

enzymes

hormones

carbohydrates

fats

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Although a certain molecule is involved in a specific reaction, its structure and chemical composition are exactly the same after the reaction as before the reaction. This molecule is most likely classified as

an enzyme

a salt

a sugar

an acid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Compound X increases the rate of the reaction shown below. Compound X is most likely

an enzyme

a lipid molecule

an indicator

an ADP molecule

Tags

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Meat tenderizer contains an enzyme that interacts with meat. If meat is coated with tenderizer and then placed in a refrigerator for a short time, how would the enzyme be affected?

It would be broken down.

Its activity would slow down.

Its shape would change.

It would no longer act as an enzyme.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The graph below shows the effect of temperature on the relative rate of action of enzyme X on a protein.

the addition of cold water when the reaction is at 50°C

an increase in temperature from 70°C to 80°C

the removal of the protein when the reaction is at 30°C

a decrease in temperature from 40°C to 10°C

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