Metabolism adn Enzymes

Which group of compound ensures taht metabolic reactions take place effectively?

• carbohydrate

• enzyme

• fatty acid

• hormone

What are enzymes made of?

• carbohydrate

• DNA

• fats

• proteins

Tags

NGSS.HS-LS1-1

Which are characteristics of an enzyme?

• They are carbohydrate and biological catalyst

• They are carbohydrate and chemical messenger

• They are protein and biological catalyst

• They are protein and chemical messenger

Which subtrate is an enzyme?

• bile

• fibrinogen

• lipase

• maltose

Tags

NGSS.MS-LS1-7

Lock and Key hypothesis represent enzyme as key and subtrate as a lock.

• True

• False

Diagram shows the 'lock and key' hypothesis for the reaction of lipase.

Which represent lipase?

• A

• B

• C

• D

The diagram shows the effect of an enzyme working in human digestive system.

What wolud reduce the rate of production of amino acid?

• removing the amino acid as they are formed

• increasing the amount of protein

• raising the temperture to 40⁰ C

• raising the pH to 7.5

Tags

NGSS.HS-LS1-6

Diagram shows the optimum pH of enzyme X.

Enzyme X is

• Trypsin

• Salivary Amylase

• Rennin

• Pepsin

Lactase is a human enzyme that catalyses the breakdown of lactose in milk.

At qhich temperature does lactase work best?

• 0^oC

• 18^oC

• 37^oC

• 100^oC

Pectinase and cellulase enzyme are used in juice production.

• True

• False

Tags

NGSS.MS-PS1-2