is caled Juip as 5000 or more amino acids. The chemical amino acid molecule comb
ID: 151543 • Letter: I
Question
is caled Juip as 5000 or more amino acids. The chemical amino acid molecule combines with of water is formed by t med by the removel t the acid ou of another in what is called a peptide group of the otgen atom from the amino group of one amino acid molecule and an OH group of two amino acids bond. In this reaction one mo group of an the removal of a from the acid process is called dehydration synthesis and is shown in Fig. 3. two molecules of thesis reaction involving H-N-C-C+N-C-C Note that the reaction is reversible FIG. 3. Dehydration N-C-C-N-C-C+H,O H OH OHH. OH H HpETIDE BOND 5. Combine the protein. Rejoin the-OH and-Hends. desbuih by remoing th proper Ot group and- H group as needed to form a two amino acid a What chemical sulbstance is formed when the- OH and-H is joined? As in fats and carbohydrates, the reverse of this reaction, was originally removed. called hydrolysis, restores a water molecule at the site from which it 1. Dehydration means 'water loss. Synthesis means "to put together. Explain why the chemical process responsible for building a protein molecule is called dehydration synthesis. 2. What type of molecule is needed to form protein molecules 3. How do amino acid molecules differ from fatty acid molecules? 4. How might a human muscle protein molecule diffier from a horse muscle protein molecule? 5. What purpose is served by the loss of an-H and-OH end from two molecules as they join together during dehydration synthesis? 6. A protein consisting of four amino acids undergoes hydrolysis. How many water molecules must be broken down and reattached to amino acid molecules during this process?Explanation / Answer
1. Dehyrdation is the loss of water and synthesis is the building up of a macromolecule from simple ones. Amino acids are the building blocks of protein where amino acids are joined together by peptide bond to form a long chain of protein. Peptide bond is formed by removal of one molecule of water where Hydrogen (H) is removed from one amino acid and OH is removed from another amino acid. The removal of water molecule helps to join two amino acids together.
2. Amino acids are building blocks of protein molecule
3. Amino acid contain amino group NH2 whereas nitrogen is absent in fatty acids
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