Chapter 4: Enzymes

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What are Enzymes?

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8 Terms

1

What are Enzymes?

They are proteinous "biological catalysts" "speeding up the chemical reaction".

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2

What is the role of Amylase?

It aids "digestion of starch".

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3

What is the role of Cellulase?

It aids "digestion of cellulose".

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4

What is the role of Protease?

It aids "digestion proteins".

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5

What are the factors affecting enzyme reaction?

Factors affecting are "pH - Temperature - Enzyme and Substrate concentration".

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6

What is the effect of pH on enzyme activity?

As pH moves away from the pH scale the "rate of reaction decreases". A change in pH causes the shape of active site to change.

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7

What is the effect of temperature on enzyme activity?

It works "best at higher temperature" but at a "temperature above optimum temperature the enzyme denatures".

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8

What is the effect of enzyme and substrate concentration on enzyme activity?

As the "substrate concentration increases the rate of reaction increases" to an initial point to make reaction constant + "Increase in enzyme concentration increases rate of enzyme reaction".

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