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B
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200

What is meant by activation energy?

The amount of energy which is used to initiate the reaction.

200

What is the active site of an enzyme?

The site where substrate binds

200

What factors affect enzyme activity?

Temperatur, pH, substrate

200

What products are obtained after lactose digestion?

Glucose and galactose

200

State two advantages of enzyme immobilization.

Reusable, cost efective

200

Describe the induced-fit model of enzyme action.

When enzyme joins with substrate, enzyme changes it's structure, it's literally adjusted to substrate. Gloves and hand.

200

Describe any three methods of enzyme immobilization.

Entrapment, encapsulation, cross-linking, covalent binding

200

What are proteases, amylases, lipases, and cellulases used for in detergents?

Remove stains of grease(lipid), stains of vegetables or grass on clothes, any stain after meal contatining protein(meat, egg, fish)

300

How do we immobilize beta galactosidase (lactase)?

Alginate gel, calcium bicarbonate.

300

The tase of lactose free milk is...... than lactose containing milk

sweeter

300

Name of enzyme which is used in ELISA method?

HRP 

300

In pregnancy test what makes stripes to stain?

antibodies combines with hormone HCG

400

You were prescribed to take ELISA test to check for certain disease? You are lab worker and want to do the test yourself, what should you do first?

Put antibodies appropriate (complementary to )to the well, dish

add sample which was taken from human

add antibody linked to enzyme

400
How do we call ELISA method where we use antibody antigen antibody

sandwich method

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