Q1. What are branched chain amino acid?
Q2. what are hydroxy amino acids?
Q3. What is the difference between a polypeptide and a protein?
Answers
Explanation:
1.The branched-chain amino acids (BCAAs) are a group of three essential amino acids: leucine, isoleucine and valine. They are essential, meaning they can't be produced by your body and must be obtained from food. BCAA supplements have been shown to build muscle, decrease muscle fatigue and alleviate muscle soreness.
2.Hydroxyl Amino Acids. Hydroxyl amino acids are polar, uncharged at physiological pH, and hydrophilic. The phenolic hydroxyl ionizes with a pKa of 10 to yield the phenolate anion. The hydroxyl groups of serine and threonine are so high that they are generally regarded as nonionizing.
3.A polypeptide is formed when the chain of amino acid residues exceeds several dozen in length. A protein is a molecule composed of one or more polypeptide chains. Proteins are unbranched polymers of amino acids linked head to tail from carboxyl group to amino group, through formation of covalent peptide bonds.
Answer:
1) Branched-chain amino acids are essential nutrients that the body obtains from proteins found in food, especially meat, dairy products, and legumes. They include leucine, isoleucine, and valine. "Branched-chain" refers to the chemical structure of these amino acids. People use branched-chain amino acids for medicine.
2)Hydroxyl Amino Acids. Hydroxyl amino acids are polar, uncharged at physiological pH, and hydrophilic. The phenolic hydroxyl ionizes with a pKa of 10 to yield the phenolate anion. The hydroxyl groups of serine and threonine are so high that they are generally regarded as nonionizing
3)A peptide is two or more amino acids joined together by peptide bonds; a polypeptide is a chain of many amino acids; and a protein contains one or more polypeptides. Therefore, proteins are long chains of amino acids held together by peptide bonds.
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