F4 Chapter 5 (Metabolism and Enzymes)

Which of the following helps enzyme to function well?

• Product

• Cofactor

• Inhibitor

• Substrate

Diagram 5 shows the mechanism of enzyme action.

Which part labelled A, B, C and D represents the substrate?

• A

• B

• C

• D

Diagram 5 shows the action of an enzyme on a substrate.

What is S if P is lactase, Q is lactose and R is glucose?

• maltose

• glucose

• fructose

• galactose

Diagram 6 shows a traditional method practised by some Malaysian to marinate meat.

What is the purpose of using papaya leaves?

• To trap heat

• To soften the meat

• To digest the fat in the meat

• To add flavour to the meat

Tags

NGSS.MS-LS1-7

Which of the following is an enzyme inhibitor?

• Iron

• Mercury

• Penicillin

• Vitamin B

Which equation shows the enzymatic reaction in stomach?

• Starch + water --^Amylase----> Maltose

• Protein + water --^Pepsin--> Polypeptide

• Fat+ water --^Lipase---> Fatty acids + Glycerol

• Lactose+ water --^Lactase---> Glucose + Galactose

Tags

NGSS.MS-LS1-7

Which of the following is the correct sequence of the organelles in the production of lipase enzyme?

• ribosome--> Golgi apparatus --> Transport vesicles---> secretory vesicles

• ribosome--> Transport vesicles --> Golgi apparatus---> secretory vesicles

• secretory vesicles -->ribosome---> Transport vesicles --> Golgi apparatus

• secretory vesicles -->Transport vesicles--->ribosome --> Golgi apparatus

Which of the following enzymes helps in removing the stains?

• lipase

• amylase

• protease

• cellulase

Tags

NGSS.MS-PS1-2

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

Enzymes are

• Protiens

• Lipids

• Carbohydrates

• DNA

Tags

NGSS.HS-LS1-6