Proteins
Chains of amino acids
Proteins are large complex molecules that are essential for the proper functioning of the human body. They are made up of chains of amino acids, which fold into unique 3D structures or conformations that determine their function. Proteins have many different functions in the body, including enzyme catalysis, transportation of molecules, communication between cells, and structural support.
There are twenty common amino acids that make up proteins. These amino acids differ in their chemical properties, such as their polarity, charge, and size, which influence the way they interact with each other and with other molecules.
Proteins are essential for all living organisms, and they play a critical role in a wide range of biological processes. For example, enzymes are proteins that catalyze chemical reactions in the body, and hormones (such as insulin) are proteins that regulate various bodily functions. Additionally, structural proteins (like collagen) provide support for tissues and organs in the body.
Proteins can be obtained from a variety of sources, including meat, dairy, and plant-based foods such as beans, nuts, and seeds. It’s important to consume adequate amounts of protein as part of a balanced diet, especially for those who engage in regular physical activity or have specific dietary needs.
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