Proteins are essential macromolecules that play diverse roles in the body, and they can be found in various forms. Here are a few examples of proteins:
- Hemoglobin: This protein is found in red blood cells and is responsible for transporting oxygen throughout the body.
- Collagen: A structural protein that provides strength and support to connective tissues, skin, and bones.
- Enzymes: These proteins act as catalysts in biochemical reactions. For example, amylase helps break down carbohydrates in the digestive system.
- Antibodies: These proteins are part of the immune system and help identify and neutralize foreign objects like bacteria and viruses.
- Myosin: A protein involved in muscle contraction. It works alongside actin to enable movement.
Each of these proteins has a unique structure and function, highlighting the incredible diversity and importance of proteins in biological processes.