G8..ENZYMES (2020)

G8..ENZYMES (2020)

Multiple Choice

Which group of compounds ensures that metabolic reactions take place effectively?

• carbohydrates

• enzymes

• fatty acids

• hormones

Multiple Choice

What is a characteristic of all catalysts?

• They are broken down in the reaction.

• They are made of protein.

• They are not changed by the reaction.

• They do not change the rate of the reaction.

Multiple Choice

Which one of the following defines enzymes?

• An enzyme is a chemical that functions as a biological catalyst.

• An enzyme is a protein that functions as a biological catalyst.

Multiple Choice

Which diagram represents the enzyme for this reaction?

Multiple Choice

Why the enzymes are specific?

• enzymes and substrates have lock and key model

• enzymes are catalyst

• one enzyme can work on all types of substrates

Lets watch a video of an experiment to understand effects of temperature on enzymes.

Multiple Choice

What is the optimum temperature for the enzymes reaction?

• 50-60 degrees

• 60-70 degrees

• 30-40 degrees

Multiple Choice

Which one of the following can be used as an example to show the effect of temperature on enzymes?

• apple

• potato

• albumin (egg white)

• glucose

Multiple Choice

Which one of the following can be used as an example to show the effect of temperature on enzymes?

• apple

• potato

• albumin (egg white)

• glucose