MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of these are the possible cause of sickle cell anemia with respect to hemoglobin: |
| A. | Defect in -chain of hemoglobin |
| B. | Defect in -chain of hemoglobin |
| C. | One copy of an abnormal -globin gene |
| D. | Two copies of an abnormal -globin gene |
| Answer» E. | |
| 2. |
What is the shape of the oxygen dissociation curve of myoglobin? |
| A. | Linear |
| B. | Hyperbola |
| C. | Sigmoid |
| D. | Parabola |
| Answer» C. Sigmoid | |
| 3. |
In which iron(Fe) state myoglobin binds to the oxygen? |
| A. | Fe<sup>2+</sup> |
| B. | Fe<sup>3+</sup> |
| C. | Fe |
| D. | Fe<sup>4+</sup> |
| Answer» B. Fe<sup>3+</sup> | |
| 4. |
Oxygen affinity for hemoglobin is affected by Ph and this phenomenon is known as Bohr s effect. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the fundamental unit of collagen? |
| A. | Tropocollagen |
| B. | Hydroxyproline |
| C. | Hydroxylysine |
| D. | Glycine |
| Answer» B. Hydroxyproline | |