MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 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 O2 molecule and one amino acid atom |
| C. | One O2 molecule and one heme atom |
| D. | Two O atoms |
| Answer» C. One O2 molecule and one heme atom | |
| 2. |
Myoglobin binding of O2 depends on ___________ |
| A. | Hemoglobin concentration |
| B. | O2 concentration and affinity of myoglobin for O2 |
| C. | Ka |
| D. | Kd |
| Answer» C. Ka | |
| 3. |
His93 is also called ________ |
| A. | His F8 |
| B. | His F7 |
| C. | His F6 |
| D. | His F5 |
| Answer» B. His F7 | |