Answer:
Proteins, Nucleic Acid, Carbohydrates & Lipids.
Explanation:
Proteins are made of amino acids and are a key component of the human body, as well as enzymes.
Nucleic Acid are made of nucleotides and can be found in DNA and RNA.
Carbohydrates are made of glucose, the sugar and starch in food.
Lipids made of glycerol, fatty acids for example, oil.
Here is picture of the 4 macromolecules and their structures.↓
