The following table describes several molecules and their functions. The molecules all belong to the same class. Molecule Function
Oleic acid used for energy storage and insulation in whales
Phospholipid component of cell membranes in plants and animals
Brassinosteroid steroid hormone involved in pollen elongation in plants

Which class of biomolecule do the molecules in the table belong to?

A.
lipids
B.
carbohydrates
C.
proteins
D.
nucleic acids

A.lipids

Explanation:

The example of lipid includes the Oleic acid, phospholipids, and brassinosteroid hormone. It is to be found in the various organism in different kind of forms and also it performs various kind of functions. It means the un-polar, unsoluble organic compounds that involved natural oils, etc

The oleic acid defines the fatty acid that represent the insulator in the body. The Phospholipids defines the cell membrane fatty acids. And, Brassinosteroieds  represent the plant molecule that signaled  

 Therefore, the option a is correct

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