Скачать или смотреть Structure of HIV & AIDS | Class 11 Biology New Book | Chapter 2 | Lecture 9 | New Syllabus 2025

Welcome to SmartPath Academy!
In this Class 11 Biology lecture, we cover HIV (Human Immunodeficiency Virus) and AIDS (Acquired Immune Deficiency Syndrome) from Chapter 02 — Bacteria and Viruses (Punjab Board 2025 updated syllabus).

⭐ Topics Covered in This Lecture

✔️ Structure of HIV
✔️ Shape & Size (100 nm)
✔️ Nucleocapsid (RNA + capsid)
✔️ Envelope & glycoprotein spikes
✔️ Function of viral spikes (target recognition)
✔️ Reverse Transcriptase — ssRNA → DNA
✔️ AIDS (definition & cause)
✔️ Weakened immune system explained
✔️ Discovery timeline:
 • 1981 – First reported cases
 • 1984 – Identification of the causative agent
 • 1986 – Virus named HIV

⭐ What You Will Learn

➡️ How HIV infects human cells
➡️ Role of reverse transcriptase
➡️ Why AIDS damages immunity
➡️ Diagram of HIV (capsid, RNA, envelope)

Perfect for:
✔️ Class 11 Biology students (Punjab Board)
✔️ Test/Board exam preparation
✔️ Quick revision & conceptual clarity

📌 Don’t forget to Like, Comment, Share & Subscribe for more chapter-wise Biology lectures!

📺 SmartPath Academy — Learn Smarter, Score Higher

#HIV #AIDS #Class11Biology #PunjabBoardBiology #SmartPathAcademy #VirusLecture #Biology2025 #HIVStructure #ReverseTranscriptase #BacteriaAndViruses #BiologyLecture