6040871
Descrição
FlashCards por Emma Allde, atualizado more than 1 year ago
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Criado por Emma Allde
mais de 8 anos atrás
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| Questão | Responda |
| Define glycosylation | the reaction in which a carbohydrate, i.e. a glycosyl donor, is attached to a hydroxyl or other functional group of another molecule (a glycosyl acceptor) |
| Phosphorylation (2 roles) | • Cell signal transduction, e.g. phosphorylation of tyr in insulin receptors • Change in activity of enzyme, e.g. phosphorylation of glycogen phosphorylase in response to glucagon |
| Methylation is vital for what process | Gene expression (specifically histones) |
| Primary structure | Sequence of aa in peptide chain |
| Secondary structure | Folding/coiling of peptide chain (usually into an alpha-helix to a beta-pleated sheet |
| Tertiary structure | 3D structure, complete with various folds |
| Quaternary structure | · Folded peptide chains join together · May consist of a number of subunits |
| Supersecondary structure | · Combinations of alpha-helix and beta-sheet form common domains found in protein · 100s exist · Quite common · Certain arrangements frequently found because they are the most energetically stable |
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