Q: Order the following from smallest to largest: Tissue, Organ System, Cell, Organ
A: Cell, Tissue, Organ, Organ System
Q: Explain the origin and role of bile in digestion
A: Bile is made in the liver and stored in the gall bladder. Bile is alkaline to neutralise hydrochloric acid from the stomach. It also emulsifies fat to form small droplets which increases the surface area. The alkaline conditions and large surface area increase the rate of fat breakdown by lipase.
Q: How do you test for sugar?
A: Mix the substance into a solution and add benedicts solution before heating. If it turns orange/brick red then it indicates the prescense of sugar.
Q: What's Amalyse?
A: Amalyse is an enzyme that breaks down starch. It is produced in the pancreas but also in the saliva, where it breaks down it's substrate into glucose.
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