Topic 1 - Rate Calculations For Enzyme Activity

Question 1

What is the formula used for rate calculations in enzyme activity?

Answer 1

Rate = Change / Time

This formula helps determine how fast an enzyme is working.

Question 2

In the context of enzyme activity, what does ‘Change’ refer to?

Answer 2

‘Change’ refers to the change in the substance being measured, such as the enzyme

In this case, it is the amount of substrate that is converted.

Question 3

What does ‘Time’ represent in the rate calculation for enzyme activity?

Answer 3

‘Time’ refers to the time taken for the change to occur

It is the duration over which the enzyme activity is measured.

Question 4

What type of enzyme is a protease?

Answer 4

A protease is an enzyme that breaks down proteins

Proteases catalyze the hydrolysis of peptide bonds in proteins.

Question 5

If 5g of protein is completely used up in 30 minutes by protease enzymes, what is the rate of reaction?

Answer 5

Rate = 5g / 30 minutes = 5g / 0.5 hours

The rate of reaction quantifies the efficiency of the enzyme.

Question 6

Fill in the blank: The rate of reaction can be calculated using the equation Rate = Change / _______.

Answer 6

Time

Question 7

True or False: The rate of reaction is independent of the amount of substrate used.

Answer 7

False

The rate of reaction depends on the amount of substrate being converted.

Question 8

What is the rate at which the enzyme catalyzes the reaction?

Answer 8

10g / hour

Question 9

What factors may change the enzyme’s reaction rate?

Answer 9

Temperature, pH, substrate concentration