BiologyCode 5090
Biological molecules
What this topic asks you to be able to do
- List which chemical elements are found in each of these: (a) carbohydrates, (b) lipids, that is fats and oils, (c) proteins and (d) DNA
- State that big molecules are put together from smaller molecules, limited to: starch, cellulose and glycogen formed out of glucose; proteins formed out of amino acids; lipids formed out of fatty acids and glycerol; DNA formed out of nucleotides
- Describe, and carry out, the chemical test for each of: (a) starch, using iodine solution (b) glucose and maltose, using Benedict's solution (c) protein, using the biuret test (d) lipids, using the ethanol emulsion test