Enzymes

In humans, salivary amylase catalyzes the breakdown of starch into

• sucrose
• maltose
• glucose
• fructose

Which of the following about enzymes is incorrect?

• They can speed up chemical reactions.

• They only work inside cells.

• They usually speed up one type of the reactions.

• Their structure remains the same at the end of the reactions.

Which enzyme has the highest activity in a neutral medium?

• W

• X

• Y

• Z

Which enzyme works best in bile?

• W

• X

• Y

• Z

Which of the following represents the enzyme?

• P

• Q

• S

All enzymes are _______ in nature.