Biology AS Unit 1 Immunity
Biology AS Unit 1 Immunity
- Created by: Ellie
- Created on: 07-01-13 17:37
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- Immunity
- 1. Barriers to entry (e.g skin)
- 2. Phagocytes triggered by antigens
- Engulfs pathogen
- Takes into a vesicle
- Lysosomes released
- Takes into a vesicle
- Engulfs pathogen
- 3. T Cells multiply
- Find the right T Cell and multiply
- Killer Ts make big holes and put proteins in
- Helper Ts call B cells for back up
- Memory Ts stay in the blood for ages
- Find the right T Cell and multiply
- 4. B Cells show up thanks to Helper Ts
- The right B cell now multiplies
- Plasma cells secrete antibodies
- Memory Bs stay in the blood for ages
- The right B cell now multiplies
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