11: Enzyme Examples

What is the favorite enzyme of the narrator?

• Amylase

• Lipase

• ATP synthase

• Pepsin

Which enzyme breaks down carbohydrates in the mouth?

• Lipase

• Pepsin

• Amylase

• Trypsin

What type of bonds does lipase break down in triglycerides?

• Peptide bonds

• Glycosidic linkages

• Ester bonds

• Phosphodiester bonds

Where does the enzyme trypsin act in the human body?

• Large intestine

• Small intestine

• Stomach

• Mouth

What is the role of cofactors in enzyme activity?

• They assist in enzyme-substrate bonding

• They act as substrates

• They are products of enzyme reactions

• They inhibit enzyme activity

Which of the following is an example of a cofactor?

• Glucose

• Zinc ion

• Vitamin C

• ATP

What is the difference between competitive and noncompetitive inhibitors?

• Competitive inhibitors bind to the allosteric site, noncompetitive inhibitors bind to the active site

• Competitive inhibitors bind to the active site, noncompetitive inhibitors bind to the allosteric site

• Both bind to the active site

• Both bind to the allosteric site

What is feedback inhibition?

• A process where the final product inhibits the first enzyme in a pathway

• A process where the first enzyme activates the final product

• A process where enzymes are permanently deactivated

• A process where substrates compete for the active site

Tags

NGSS.HS-LS1-3

How do ACE inhibitors help in lowering blood pressure?

• By blocking the enzyme that converts angiotensin to angiotensin II

• By inhibiting DNA polymerase

• By increasing the production of angiotensin II

• By breaking down triglycerides

How does penicillin work as an antibiotic?

• By inhibiting the enzyme transpeptidase

• By increasing blood pressure

• By acting as a coenzyme

• By breaking down proteins