.
Biology
GRADE 11
, MICRO-ORGANISMS
Size of microbes
Viruses
DEFINITION / WHAT IS A VIRUS
𝜇
𝜇 →
𝜇
CHARACTERISTICS OF VIRUSES:
STRUCTURE OF A VIRUS
→
→
……………
o
o
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za
, Viruses
CLASSIFICATION OF VIRUSES
Viruses
VIRUS REPLICATION
➝ ➝
LITHIC CYCLE
o
o 🧬
o
➝
➝ LISOGENIC CYCLE
➝
➝
• ➝ 🧬
• ➝
• ➝
→
→
💤→
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za
, Viruses Diseases
HIV (HUMAN
RABIES
✅ → IMMUNODEFICIENCY VIRUS)
✅ →
✅ →
✅ → → ➜
→
🦷 →
🧠
•
•
•
•
•
•
•
TREATMENT!
🔹 ➜
So how does this happen?
🔹 ➜
💀
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za
Biology
GRADE 11
, MICRO-ORGANISMS
Size of microbes
Viruses
DEFINITION / WHAT IS A VIRUS
𝜇
𝜇 →
𝜇
CHARACTERISTICS OF VIRUSES:
STRUCTURE OF A VIRUS
→
→
……………
o
o
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za
, Viruses
CLASSIFICATION OF VIRUSES
Viruses
VIRUS REPLICATION
➝ ➝
LITHIC CYCLE
o
o 🧬
o
➝
➝ LISOGENIC CYCLE
➝
➝
• ➝ 🧬
• ➝
• ➝
→
→
💤→
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za
, Viruses Diseases
HIV (HUMAN
RABIES
✅ → IMMUNODEFICIENCY VIRUS)
✅ →
✅ →
✅ → → ➜
→
🦷 →
🧠
•
•
•
•
•
•
•
TREATMENT!
🔹 ➜
So how does this happen?
🔹 ➜
💀
Grade 11 Life Sciences (Biology) І www.notedsummaries.co.za