The correct answer is D. Store and transmit heredity.
Proteins are essential for the structure and function of all living things. They are made up of amino acids, which are linked together in long chains. The sequence of amino acids in a protein determines its shape and function.
Proteins have many different functions in the body, including:
- Building tissues such as bone and muscle
- Helping to fight disease
- Regulating metabolism
- Transporting molecules around the body
- Signaling between cells
- Repairing damage to cells and tissues
DNA is a molecule that contains the genetic code for all living things. It is made up of four types of nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C). The sequence of nucleotides in DNA determines the sequence of amino acids in proteins.
Proteins are not involved in storing or transmitting heredity. This is the function of DNA.