The Role of Enzymes in Biological Reactions

The Role of Enzymes in Biological Reactions

Assessment

Interactive Video

Biology, Science, Chemistry

6th - 7th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video introduces enzymes using a Pac-Man analogy, explaining their specific shape and function. Enzymes are proteins that speed up reactions by fitting perfectly with substrates. Factors like temperature and pH can denature enzymes, affecting their function. A real-world example of lactose intolerance illustrates the importance of enzymes, where the absence of lactase prevents lactose breakdown, causing discomfort.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What childhood game does the teacher compare enzymes to?

Space Invaders

Tetris

Pac-Man

Super Mario

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the specific shape that enzymes fit into?

Inhibitor

Receptor

Substrate

Catalyst

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are enzymes primarily made of?

Nucleic acids

Proteins

Lipids

Carbohydrates

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do enzymes affect chemical reactions?

They have no effect on reactions.

They stop reactions.

They slow down reactions.

They speed up reactions.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a factor that affects enzyme activity?

Temperature

pH

Light

Substrate concentration

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to an enzyme when it is denatured?

It becomes more active.

Its shape changes and it can't bind to substrates.

It multiplies.

It becomes a different enzyme.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sugar found in milk that lactose intolerant people cannot digest?

Lactose

Fructose

Glucose

Sucrose

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