Копия Анг. Ñ‚Ð

Копия Анг. Ñ‚Ð

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Unformatted text preview: The general examination tests on a biochemistry department of the SSMA 2004-2005 academic years ( 769 tests) Topic 1.Proteins ( 83 ) 1.Which from next substances are diaminomonocacbonic amino acids? 1. Tyrosine, lysine, ornitine. 2. Tyrosine, isoleucine, ornitine. 3. Lysine isoleucine, ornitine. 4. Lysine isoleucine, orginine 5. Leucine ,isoleucine,ornitine. 4 2. Which from next substances are thiaminoacids? 1. Isoleucine, methionine. 2. Methionine, asparagine. 3. Methionine, cisteine. 4. Asparagine, leucine. 5. Leucine, cistein. 3 3. Which from following substances heterocyclic ? 1. Threonin . 2. Phenilalanin. 3. Thryptophan. 4. Histedine 5. Methionine. 3 4. Call which are amino-acids in dissociation of ion-groups of it,proteins can negative charge? 1. Histetine, asparagine. 2. Aspartate ,glutamate. 3. Orginine, orginine. 4. Orginine,valine. 5. Valine,aspartate. 2 5. Which properties are not typacal for tertiary structure of the proteins? 1 1.Volumeness. 2.Ability to provide biological functions . 2 3.Ability to regulation . 4.Stability and solidity. 3 5.Ability to interact with ligand. 4 4 6. Which groups are typacal only for amino acids? 1.-COOH, -SH. 2. SH,-OH. 3. NH 2 ,-COOH. 4. OH,-NH 2 . 5. CH3,=NH. 3 7. Which from following chemical groups are typacal for primary structure of the proteins? 1. S-S-. 2. NH-,-CO-. 3. O-. 4. CO-. 5. O-CO-. 2 8. On the which level of the structural organization of the protein molecule are appear biological functions? 1. on the level alpha helix. 2. on the level quaternary. 3. on the level promoter. 4. on the level domen. 5. on the level isomer form. 3 9. Which from following physical- chemical properties are not typical for proteins? 1. are amphoteryc polyelectrolites. 2. can be in the isoelectrical conditions. 3. good hydration. 4. possess of properties of buffer systems. 5. form veritable solution. 5 10. Which from following attributes are the most typical for denaturated proteins? 1. increase dimension of charge. 2. increase of biological properties. 3. decrease of solubility. 4.-decrease of possibility of proteolysis. 5.-decrease of possibility of sedimentation. 3 11. In the structure of which proteins can have more of phosphoric acid? 1. histones. 2. proteoglicans. 3. nucleoproteins. 4. chromoproteins. 5. phosphoproteins. 3 12. Which property of the proteins is not specific for biological functions? 1. Receptor function . 2. Detoxication . 3. Protective. 4. Enegetic. 5. Coenegetic. 4 13.What is the function of albumins in blood: 1 transport 2 catalysis 3 regulation 4 contraction 5 receptor 1 14.What is the group of immunoglobulins (antibodies) as of a proteins: 1 histones 2 prolamines 3 glycoproteins 4 nucleoproteins 5 lipoproteins....
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Копия Анг. Ñ‚Ð

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