Biology
Grade9 IGCSE. Short questions.
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What are enzymes? | Enzymes are proteins that act as biological catalysts. Catalysts accelerate chemical reactions |
Metabolic reaction | Is the chemical reactions in the body's cells that change food into energy. |
What is an amylase | Is an enzyme that catalyses the hydrolysis of starch into sugars |
What is a protease | Is an enzyme that catalyzes proteolysis, the breakdown of proteins into smaller polypeptides or single amino acids. |
What is a catalase | Is a common enzyme found in nearly all living organisms exposed to oxygen which catalyzes the decomposition of hydrogen peroxide to water and oxygen. |