Enzymes

Question 1

What does the intracellukar enzyme

Catalase break down?

Answer 1

Hydrogen peroxide (H2O2)

Question 2

What does extracellular enzyme

Trypsin and Amylase do?

Answer 2

Trypsin catalyses hydrolysis of peptide bonds

Amylase catalyses breakdown of starch into maltose

Question 3

Effect on substrate with increased temperature

▪▪▪

Answer 3

Have more KE
Move around faster
More successful and frequent collisions

Question 4

How does pH effect enzymes?

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Answer 4

Extreme pH dentures enzymes

OH- and H+ break ionic and hydrogen bond in enzymes tertiary structure

Question 5

Where do competitive inhibitors bind to?

Answer 5

Active site

Question 6

Where do no competitive inhibitors bind to?

Answer 6

Allosteric site

Question 7

Define end product inhibition

Answer 7

Final product inhibits enzyme that acts earlier in the metabolic pathway

Question 8

Define inactive precursor

Answer 8

Inactive enzyme that needs to be altered to function