biology 2

Cards (10)

What are the key roles of active transport in organisms ?
In plants: Absorbs mineral ions from dilute soil solutions through root hairs.
In the human body: Absorbs sugar molecules from lower concentrations in the gut into the blood.
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Where is protease produced?
Stomach, Pancreas and small intestine
where is protease used?  
stomach and small intestine
where is lipase produced? 
Pancreas
where is lipase used? 
Small intestine
Where is carbohydrase produced? 
mouth ,pancreas and small intestine
where is carbohydrase used? 
mouth and small intestine
What is the test for starch? 
The iodine test which will turn the solution from orange/brown to blue/black
What is the test for protein and the positive result?
The test is biuret reagent and the positive solution will go from blue to lilac
How to test for sugars and what is the positive result?
The solution is benedicts reagent and you have to heat the solution at 80 degrees for 2 minutes. In a positive result, the solution will turn from blue to green or orange/yellow

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