Biochemistry
Chemistry
Oxford Biochemistry First Year Content
Sample Data
| Front | Describe the structure of cytochrome P450 |
| Back | Fe2+within porphyrin ring coordinated to 4 nitrogen atoms (pyyrole rings), cysteine residue from protein and 6th site empty for substrate (e.g. H2O or O2) |
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| Front | Is CAP an activator or a repressor? (3) |
| Back | CAP can acts as an activator or a repressor depending on the placement of the cis regulatory sequence it binds to relative to the promoterif the sequence is before the promoter then CAP can help RNA pol bind and acts as an activatorif the sequence overlaps with the promtoer then it can prevent RNA pol from binding and acts as a repressor |
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| Front | Average number of ligands bound per molecule (2) |
| Back |
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