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Biology Help Sheet
Explain why the data could be unreliable

How diarrhea is caused?

The Water Potential in the Lumen decreases. Water enters intestine by osmosis and leads to diarrhea.

Too small of a sample size
Genetic differences not taken into account
Different sexes in sample

Explain why enzymes are…

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Reducing Sugar Test
Add Benedicts sample and heat
Reducing sugar present a RED colour formed
If not it stays blue
Non Reducing sugar test
Has to have tested negative for reducing sugar
Add dilute hydrochloric acid to sample
Heat
Neutralize solution
Add Benedicts and heart
NRS present-brick red colour
Principles…

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