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Cell Bio 3
| Question | Answer |
|---|---|
| Acidic amino acids can carry _______ charges | negative |
| Basic amino acids can carry a _____ charge | positive |
| Proteins have ________ organization | hierarchical |
| Primary protein structure | Specified by mRNA sequence and produced by ribosomes |
| Secondary protein structure | Formed by non-covalent interactions in the peptide backbone |
| Tertiary protein structure | Formed by covalent and non-covalent interactions between peptide side chains |
| True or False: At a lower ph there are more charged histadines, as ph rises more | True |
| Quaternary protein structures | Formed by covalent and non-covalent interactions between different polypeptides |
| If there is a pH switch expect _______ to be involved | HIstadines |
| Carbon sulfur is ___________ | non-polar |
| Proteins are formed from linear polymers of amino acids | |
| ________ bonds maintain a protein’s 3D structure | Noncovalent |
| Ionic bonds • Electrostatic attraction between _________ R groups • Ratio of charged/uncharged R groups varies with ____ | opposite-charged; pH |