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Enzymes
B2 Biology Enzymes
| Question | Answer |
|---|---|
| Enzyme that digests protein | Protease |
| Building blocks of protein | Amino acids |
| Enzyme that digests carbohydrates | Carbohydrase |
| Building blocks of starch | Glucose (sugar) |
| Enzyme that digests lipids (fats) | Lipase |
| Building blocks of lipids (fats) | Fatty acids and glycerol |
| Site(s) of carbohydrate digestion in the body. | Mouth and small intestine |
| Site(s) of protein digestion in the body. | Stomach and small intestine |
| Site(s) of lipid (fat) digestion in the body. | Small intestine |
| Acid found in the stomach | Hydrochloric acid |
| pH of stomach acid | pH2 |
| Definition of digestion | Break down of large soluble molecules into small soluble molecules |
| Why food needs to be digested. | So it can be absorbed into the blood stream |
| Place in the body where food is absorbed into the blood stream | Small intestine |
| Small structures in the small intestine that increase surface area. | Villi |
| Chemical used to test for reducing sugar | Benedicts solution |
| Name given to the best temperature for enzymes to work at. | Optimum temperature |
| Liquid that emulsifies fat and neutralises stomach acid | Bile |
| Temperature at which body enzymes work best. | 37oC |
| How the pH of a solution changes as fat (lipids) are digested. | It becomes more acidic (due to the fatty acids) |
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