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HIV Virus

Category: Biology

Level: SS3

Syllabus topic: SS3 Immunity and Disease (HIV/AIDS)

Description: 3D model of the Human Immunodeficiency Virus structure.

📝 Exam Key Points
  1. HIV is a retrovirus: its RNA is copied into DNA by reverse transcriptase.
  2. It destroys CD4 T-helper cells, weakening immunity and leading to AIDS.
  3. Spread by unprotected sex, contaminated blood or needles and mother-to-child; not by casual contact.

HIV Virus

Biology · SS3

Syllabus topic: SS3 Immunity and Disease (HIV/AIDS)

Key Exam Points

  1. HIV is a retrovirus: its RNA is copied into DNA by reverse transcriptase.
  2. It destroys CD4 T-helper cells, weakening immunity and leading to AIDS.
  3. Spread by unprotected sex, contaminated blood or needles and mother-to-child; not by casual contact.

Student Notes

Scan to view the 3D model