KROK 1 2020 – Question 82 · KROK (Medicine) · Microbiology, Virology, and Immunology
T lymphocytes were affected by HIV. In the process, viral enzyme reverse transcriptase (RNA-dependent DNA polymerase) catalyzes the synthesis of:
- A. Informational RNA on the viral protein matrix
- B. Viral DNA on the DNA matrix
- C. DNA on the viral RNA matrix
- D. Viral protein on the viral RNA matrix
- E. Viral RNA on the DNA matrix
Hint
Read the enzyme's alternative name in the stem carefully: it states what the template is and what kind of polymer is synthesized on it.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Microbiology, Virology, and Immunology
- A 5-year-old child is diagnosed with Bruton’s disease (X-linked agammaglobulinemia) that manifests itself in severe clinical course of bacterial…
- After examination, the doctor diagnosed the patient with parainfluenza, based on the clinical findings. What route of transmission is characteristic…
- A 5-year-old kindergartener has diphtheria. To find the carriers of this disease among the kindergarten staff, samples of pharyngeal mucus were…
- Microscopy of the sputum of a patient with lobar pneumonia revealed a large number of gram-positive lancet-shaped encapsulated diplococci. What…
- From the feces of a patient with acute gastroenteritis a pure culture of microorganisms was obtained. The microorganisms are small mobile slightly…
- A laboratory received a sputum sample obtained from a patient with tuberculosis. What staining method should be used to detect the causative agents…