Proteins, linked by peptide bonds, are crucial for numerous body functions, including acting as hormones, enzymes, and immunological signals. They also form structures like hair. DNA sequences encode these proteins, which are integral to all cells in the body.

What are the primary functions of proteins in the body?

How do proteins act as hormones and enzymes?

In what ways do proteins serve as immunological signals?

What role do proteins play in the structure of hair?

How are proteins encoded in our cells?