biological molecules Flashcards
1
Q
carbohydrates
A
carbon hydrogen oxygen
2
Q
lipids
A
carbon hydrogen and oxygen 1 glycerol and 3 fatty acid
3
Q
proteins element
A
carbon hydrogen oxygen and nitrogen
4
Q
proteins molecules
A
amino acid polypeptides then protein
5
Q
dna
A
carbon hydrogen oxygen nitrogen and phosphorus
6
Q
test for starch
A
iodine test
brown to blue black
remain brown
7
Q
test for fats
A
ethanol emulsion tests
if presents cloudy emulsion formed
if no clear solution
8
Q
test for protein
A
biuret solution
is present purple\violet
no remains blue
9
Q
test for reducing sugar
A
benedict test
if green yellow , brick red present
remain blue absent
