MCQOPTIONS
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MCQOPTIONS
| 1. |
When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe2+ are occupied by___________ |
| A. | One O atom and one amino acid atom |
| B. | One O<sub>2</sub> molecule and one amino acid atom |
| C. | One O<sub>2</sub> molecule and one heme atom |
| D. | Two O atoms |
| Answer» C. One O<sub>2</sub> molecule and one heme atom | |