biological molecules

Question 1

what are chemical elements that make up carbohydrates, fats and protein

Answer 1

carbohydrates- carbon, hydrogen, oxygen

fats- carbon, hydrogen, oxygen

proteins- carbon, hydrogen, oxygen, nitrogen,sulfur

Question 2

how are larger molecules made

Answer 2

they are made up of smaller molecules e.g
- starch , glycogen, cellulose= glucose
- proteins= amino acids
- fats and oils= fatty acids and glycerol

Question 3

what are the uses of iodine, benedicts, biuret, ethanol/emulsion and DCPIP solution?

Answer 3

-iodine solution= test for presence of starch
-benedict’s solution= test for reducing sugars
-biuret solution= test for presence of protein
-ethanol and emulsion= tets for fats and oils
-DCPIP= test for vitamins C