Enzyme even more Flashcards
1
Q
How do you test for lipids
A
Add Sudan iii
If lipids are present, a red-stained oil layer will float on the water surface.
2
Q
How do you test for lipids 2
A
Add ethanol
If a cloudy emulsion appears, lipids are present
3
Q
How do you test for starch?
A
Add iodine solution
If it turns blue-black starch is present
if it stays orange no starch is present
4
Q
How do you test for sugars ?
A
Add Benedict’s reagent and heat
If it turns green,yellow and red if sugar is present
starts blue.
5
Q
How do you test for protein?
A
Add Biuret solution
If it turns purple proteins are present
starts blue.
6
Q
Why might someone be fitted with an artificial pacemaker?
A
- Normally, a group of cells in the right atrium act as a pacemaker to control the heart’s beating.
- If these cells don’t work properly, irregular heart rates can be corrected using electrical devices, known as artificial pacemakers.
