NEET BIOLOGY

Detailed explanation-1: -Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs.

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: -Proteins are polymers made up of strings of amino acids. Proteins serve many functions in organisms including transport of molecules, structure, cell adhesion and as signaling molecules such as hormones.

Detailed explanation-4: -To grow and repair themselves, cells combine amino acid molecules to form larger protein molecules. Those new proteins build new cells and cell parts. Growth and repair also require energy, so cells also need glucose and oxygen to release energy for these important functions.

Detailed explanation-5: -The information to produce a protein is encoded in the cell’s DNA. When a protein is produced, a copy of the DNA is made (called mRNA) and this copy is transported to a ribosome. Ribosomes read the information in the mRNA and use that information to assemble amino acids into a protein.