2025 IGCSE - Food and Digestion

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Biology

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11 Terms

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Carbohydrates

Carbon, hydrogen and oxygen (simple + complex sugars)

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Fats

Carbon, hydrogen and oxygen (lipids and fatty acids)

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Protein

carbon, hydrogen, oxygen and nitrogen (amino acids)

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Iodine

Starch

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Benedict's solution

Sugars

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Biuret

Proteins

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Ethanol Emulsion

Fats and oils

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Enzymes

Proteins that function as a biological catalyst

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Enzyme-Substrate Complex

A temporary association formed when an enzyme binds to its active site, a chemical reaction occurs and a product forms

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Increase in temperature causes?

Morse frequent collisions between enzymes and substrates.

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What can denature and enzyme?

Temperatures past the optimum or the wrong pH level.