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Nat Quiz - 19 May

Which of the following statements about denaturation is correct? Choose 1 or more answer.
Denaturation is generally irreversible
Denaturation results in a change in the specific shape of active site
Denaturation is generally reversible
Denaturation can cause soluble proteins to turn into insoluble proteins
Which of the statements explain why enzyme activity decrease beyond optimum temperature? Choose 1 or more answer.
Activation energy decreases
Kinetic energy becomes too high
Substrate are not complementary to shape of enzyme's active site
Bonds that give enzyme unique 3D shape are broken
Which of the following statements about enzymes are correct? Choose 1 or more answer.
Enzymes are made of DNA
Enzymes catalyse reversible reactions (both forward and backward)
Enzymes increase the rate of both forward and backward reaction
Enzymes catalyze virtually almost all reactions in the body
Which of the following statements about enzymes are correct? Choose 1 or more answer.
Enzymes are required in small amounts since they remain chemically unchanged at the end of the reaction
All enzymes are involved in digestion of larger molecules into smaller molecules
Enzymes are inorganic catalysts
Hydrolases catalyze breakdown of water
If amylase catalyzes the breakdown of 10g of starch at 20 degrees celcius, how many grams of starch will be broken down at 30 degrees celcius?
10g
20g
5g
40g
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