Answer:
Proteins, carbohydrates, nucleic acids, and lipids are the four major classes of biological macromolecules.
Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers.
Explanation:
The group in which a star is classified according to its spectrum, especially using the Harvard classification.
Answer:
eukaryotic because they have a nucleus in their cell.
Explanation: