Question:
Human immunodeficiency virus parasitizes which of the following cells?
Human immunodeficiency virus parasitizes which of the following cells?
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HIV enters helper T cells that have the CD4 receptor. These are also called T4 lymphocytes.
Updated On: Nov 12, 2026
- \(\text{T}_{4}\) lymphocytes
- B Lymphocytes
- Memory B Cells
- Killer T Cells
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
HIV is a retrovirus that causes AIDS.
Step 2: Target cells
The virus attaches to the CD4 receptor present mainly on helper T cells, also called \(\text{T}_{4}\) lymphocytes.
Step 3: Effect
Inside the cell it makes DNA by reverse transcriptase and multiplies. The helper T cells are destroyed, so immunity falls.
Step 4: Compare the options
So HIV parasitises \(\text{T}_{4}\) lymphocytes.
Final Answer:
HIV parasitises T4 (helper T) lymphocytes. \[ \boxed{\text{(A) }\text{T}_{4}\text{ lymphocytes}} \]
HIV is a retrovirus that causes AIDS.
Step 2: Target cells
The virus attaches to the CD4 receptor present mainly on helper T cells, also called \(\text{T}_{4}\) lymphocytes.
Step 3: Effect
Inside the cell it makes DNA by reverse transcriptase and multiplies. The helper T cells are destroyed, so immunity falls.
Step 4: Compare the options
So HIV parasitises \(\text{T}_{4}\) lymphocytes.
Final Answer:
HIV parasitises T4 (helper T) lymphocytes. \[ \boxed{\text{(A) }\text{T}_{4}\text{ lymphocytes}} \]
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