Pharmacognosy Quiz 6

Enzymes are called as

• Organic catalyst

• Biological catalyst

• Catalyst

• None

The molecules on which enzyme acts called as..

• Catalyst

• Substrate

• Both

• None

The velocity of reaction increases with..... In substrate concentration

• Increse

• Decrease

• First increse than decrease

• None

Optimum Temperature for enzyme activities

• 96 to 99 F

• 90 to 95 F

• 100 F

• 150F

At 60 C enzymes will

• In active

• Destroy

• Active

• Not affected

(a)   Proteolytic and milk clotting enzyme

Biological source of papin

• Carica papaya

• Papin

• Caricace

• None

Estrases are enzymes that hydrolyze

• Lipids

• Proteins

• Esters

• None

Milk coagulating enzyme found in mammals is

• Pepsin

• Rannin

• Lipase

• Estrase

Enzyme speed up reaction with formation of new bonds are..

• Ligase

• Hydrolyse

• Dehyrogense

• Oxidase