level: Level 1 of BM -proteins
Questions and Answers List
level questions: Level 1 of BM -proteins
| Question | Answer |
|---|---|
| Proteins contain | C,H,N,O |
| What is sub unit of a protein | amino acid |
| What bonds do a primary structure have | -peptide bonds and first sequence of amino acids |
| hydroylis of protein by | heating or acid or enzyme |
| What is the secondary structure | Coling of the polypeptide chain as result of hydrogen bonds and peptide bonds. alpha helix and beta pleated sheet |
| Tertiary structure | further foliding of the polypeptide chain due hydrogen bonds ,ionic and disulphide bridges eg fibrous proteins (kerartin- hair) globular (hormones/ enzymes) |
| Quaternary structure | A number of indivual polypetide chains eg antibodies or haemoglobin |