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enzymes and nutrition year 9

Authored by Shane Franklin

Biology

8th Grade

Used 2+ times

enzymes and nutrition year 9
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a substance called if it speeds up a chemical reaction?

reusable
catalyst
specific
fragile

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Enzymes are...

nucleic acids
proteins
lipids
carbohydrates

3.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

What happens when enzymes are heated to a high temperature?

The enzymes die.
The shapes of the enzyme are altered denature
The enzymes' amino acid sequence changes.
The enzymes remain the same

4.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

What is another name for enzymes?

chemical catalysts
microorganisms
biological catalysts
inorganic catalysts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Letter D...

active site
enzyme
substrate
products

6.

MULTIPLE SELECT QUESTION

1 min • 12 pts

Which 2 factors can affect the rate of enzyme activity?

Light intensity

Temperature

pH

Oxygen concentration

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

enzymes increase the rate of reaction

true

false

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