summary Flashcards
1
Q
what elements are in carbohydrates?
A
C, H, O
2
Q
what is the basic unit of carbs?
A
glucose (represented as a hexagon
3
Q
test for starch?
A
Iodine
4
Q
test for glucose?
A
Benedicts
5
Q
what colour is a positive result for the iodine test?
A
blue/black
6
Q
what colour is positive for the Benidicts test?
A
red/orange/yellow(spectrum of colour)
7
Q
what elements are in lipids?
A
C, H, O(less oxegen)
8
Q
what is the basic unit for lipids?
A
1 glycerol and 3 fatty acids
9
Q
test for lipids?
A
ethanol emulsion test
10
Q
lipids test positive result?
A
cloudy
11
Q
lipids negative test result
A
not cloudy
12
Q
elements of proteins
A
C, H, O, N
13
Q
test name for proteins?
A
buret test
14
Q
positive test result for the buret test
A
purple
15
Q
a negative result for the buret test
A
blue
