ANATOMY

Detailed explanation-1: -As indivisible units of life, the cells of all organisms consist of four fundamental macromolecular components: nucleic acids (including DNA and RNA), proteins, lipids and glycans. From the construction, modification and interaction of these components, the cell develops and functions.

Detailed explanation-2: -Proteins are the building blocks of life. Every cell in the human body contains protein. The basic structure of protein is a chain of amino acids. You need protein in your diet to help your body repair cells and make new ones.

Detailed explanation-3: -Cell is the smallest unit and is often called as the building block of life. These are the basic structural, functional and biological unit of life for all living organisms.

Detailed explanation-4: -Since they are present in living things these building blocks are called biomolecules.