Tissue Culturing (Leaving Cert Biology): Flashcards
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What is tissue culturing?
What is tissue culturing?
Growing new tissues/organs/plants from small tissue pieces
Why aseptic conditions in tissue culture?
Why aseptic conditions in tissue culture?
Sterile conditions to prevent bacterial/fungal contamination
What nutrient medium contains
What nutrient medium contains
Nutrients, growth hormones, sometimes antibiotics
What does totipotency mean?
What does totipotency mean?
Each plant cell can grow into a complete new plant
Plant tissue culture use: cloning
Plant tissue culture use: cloning
Rapidly produces large numbers of genetically identical plants
Plant tissue culture use: conservation
Plant tissue culture use: conservation
Conserves rare or endangered plant species
Plant tissue culture use: health
Plant tissue culture use: health
Produces disease-free plants
Medical use: antibodies
Medical use: antibodies
Producing monoclonal antibodies for diagnosis and treatment
Tissue culture advantage: timing
Tissue culture advantage: timing
Can be done year-round
Tissue culture disadvantage: cost
Tissue culture disadvantage: cost
Expensive
Tissue culture disadvantage: genetics
Tissue culture disadvantage: genetics
Risk of reduced genetic variation in cloned populations
Medical applications of tissue culture
Medical applications of tissue culture
IVF, skin grafts, vaccine production
