B2 enzymes and digestion

Question 1

What is an enzyme?

Answer 1

A biological catalyst that speeds up chemical reactions in the body.

Question 2

True or False: Enzymes are consumed in the reactions they catalyze.

Answer 2

False

Question 3

Fill in the blank: Enzymes are specific to their __________.

Answer 3

substrates

Question 4

What is the active site of an enzyme?

Answer 4

The region where the substrate binds to the enzyme.

Question 5

Which factors can affect enzyme activity?

Answer 5

Temperature, pH, and substrate concentration.

Question 6

Multiple Choice: What is the optimum temperature for most human enzymes? A) 0°C B) 37°C C) 100°C

Answer 6

B) 37°C

Question 7

What is the role of bile in digestion?

Answer 7

To emulsify fats, making them easier to digest.

Question 8

True or False: Enzymes work best outside their optimum pH range.

Answer 8

False

Question 9

Short Answer: Name one enzyme found in the mouth.

Answer 9

Salivary amylase

Question 10

What is the function of carbohydrase enzymes?

Answer 10

To break down carbohydrates into simple sugars.