AQA chapter 2.1 Flashcards

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0
Q

What is the second stage of digestion?

A

Chemical digestion - breaks down large, insoluble molecules into smaller soluble ones. Molecules broken down by enzymes by the process of hydrolysis.

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1
Q

What is the first stage in digestion?

A

Physical breakdown - food is broken down by the teeth into smaller parts. Makes it possible for the food to be digested and gives a large surface area for chemical digestion.

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2
Q

What do the enzymes carbohydrases break down?

A

Carbohydrases break down carbohydrates into monosaccharides.

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3
Q

What do the enzymes lipases break down?

A

Lipases break down lipids (fats and oils) into fatty acids and glycerol.

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4
Q

What do the enzymes proteases break down?

A

Proteases break down proteins into amino acids.

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5
Q

What is assimilation?

A

The processes in which the digested food is absorbed and incorporated into the muscle tissue.

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