Which statement is true about macromolecules?
a. simple sugars are made of polysaccharides.
b. glycerol is made of fatty acids.
c. proteins are made of amino acids.
d. nucleotides are made of nucleic acids.

The correct answer is that proteins are made of amino acids.

Macromolecules are termed as large molecules, for example, proteins.

It is created by polymerization of monomers. Macromolecules are being composed of many atoms. The commonly used molecules in the biochemistry are lipids, carbohydrates, nucleic acid and proteins.

There are some macromolecules which are synthetic, for example, synthetic fibers and plastics, and experimental materials which include carbon nanotubes.

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kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above