Two importance of proteins in an animal's diet?

1. Protein is essential for growth and development in animals. It is necessary for building and repairing tissues, muscles, and organs. Without enough protein in their diet, animals may experience stunted growth, weakened immune systems, and other health issues.

2. Proteins also play a crucial role in the production of enzymes, hormones, and other important molecules in the body. These proteins help regulate various bodily functions, such as metabolism, digestion, and immune response. Without adequate protein intake, animals may struggle to maintain proper physiological balance and function.

1. Growth and repair of tissues: Proteins are essential for the synthesis of new cells and the repair of damaged tissues. They provide the amino acids that are necessary for the production of new proteins, which are then used to build and repair tissues throughout the body.

2. Energy source: Proteins can be used as an energy source when carbohydrates and fats are not available. During periods of starvation or intense exercise, the body can break down proteins into amino acids and use them to produce energy.