Immunity and Antibiotics (Grade 11 NSC Matric Life Sciences): Flashcards
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Immunity definition
Immunity definition
Body's natural ability to defend against infections
Antibody structure
Antibody structure
Y-shaped proteins that target specific antigens
Antigen definition
Antigen definition
Foreign substance/molecule recognised as dangerous
Vaccine composition
Vaccine composition
Weakened/dead organisms that stimulate antibody production
B-lymphocyte function
B-lymphocyte function
Produce antibodies against specific antigens
Two types of T-lymphocytes
Two types of T-lymphocytes
CD4 helper cells and Killer T-cells
Phagocytosis meaning
Phagocytosis meaning
Immune cells engulf and eat harmful particles
Antibiotics work against
Antibiotics work against
Bacteria and fungi only, NOT viruses
Why finish all antibiotics
Why finish all antibiotics
Prevents resistant bacteria surviving and multiplying
Antigen-antibody relationship
Antigen-antibody relationship
Lock and key system - specific binding