Biology HL 11.1 (Part 2)
نص القصة المصورة
- Understanding: B lymphocytes are activated by T lymphocytes in mammals
- Are you attempting to endanger my boss's health? I'm going to beat you up.
- OH NO! why are you eating my friends?!
- Understanding: B lymphocytes are activated by T lymphocytes in mammals
- T cell is here to recognize the antigen . Then I will release cytokines to activate B cell
- B lymphocytes are activated by T lymphocytes in mammals
- Antigen attaches to B cell antibodies on my body.
- Macrophages (dendritic cells) engulf pathogens and break down pathogen's peptide by lysosome enzymes. The green semi-circle on macrophages's surface are antigenic fragments are displayed with MCH molecules.
- Understanding: B lymphocytes are activated by T lymphocytes in mammals
- Now I'll pass you cytokines so you can activated
- Antigenic fragments are presented to specific helper T cells that, when activated, releases cytokines
- Understanding: Activated B cells multiply to form clones of plasma cells and memory cells
- Pathogens typically contain multiple distinct antigenic fragments on their surface and hence a single pathogen is likely to stimulate several different T and B lymphocytes
- Understanding: Activated B cells multiply to form clones of plasma cells and memory cells
- Finally we will either become plasma cells or memory b cells
- plasma cells
- B cell is now activated
- cytokines
- B cells divided by mitosis
- We divided and from clones
- Active plasma cells and memory B cells develop from the clone of cells
- memory b cells
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