Answer:
The correct answer is option b.
Step-by-step explanation:
The carbon is an essential element that forms an essential constituent of the biomolecules like nucleic acids, lipids, carbohydrates, and proteins. The lipids develop the primary part of the cell membranes that selectively restricts and permits the path for the ions and molecules to move within and outside of the cells.
The proteins refer to the building blocks of life that perform activities in the metabolism of the cells. The nucleic acid comprises the genetic substances that are passed on to the offspring from their parents. All these biomolecules play an essential role in the survival of the living species.