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1.1 Introduction to cells
- Cell theory
- smallest life unit
- from pre-existing cells
- living organisms-cells
- smallest life unit
- Unicellular organisms
- carry all functions
- metabolism-excrete respire
- response to stimuli
- growth
- reproduction
- homeostasis
- nutrition
- metabolism-excrete respire
- carry all functions
- Surface area: volume
- cellsize limited
- diffusion of exchange materials
- diffusion of exchange materials
- v increase more than s.a
- leads to problem
- necessary exchange limited;
- overcome
- protruding extensions
- flattening cells
- protruding extensions
- necessary exchange limited;
- leads to problem
- cellsize limited
- Emergent properties
- Multicellular organisms
- achieve more than = of each cell could do
- cells interact
- cells interact
- achieve more than = of each cell could do
- Multicellular organisms
- Magnification
- magnified size / real size
- using microscopes
- TEM
- study internal
- study internal
- SEM
- study outer cells
- study outer cells
- light compound mic
- objective lens power * eyelens power
- objective lens power * eyelens power
- TEM
- magnified size / real size
- Stem cells-unspecialised
- totipotent
- embryo
- high potency of all cell
- high potency of all cell
- embryo
- pluripotent
- zyogote --> blastocyst
- apart potency
- apart potency
- zyogote --> blastocyst
- multipotent
- limited potency
- limited potency
- differ normal cells
- undifferentiated
- self-sustaining
- undifferentiated
- therapeutic use
- bone marrow transplant
- treat leukaemia
- treat leukaemia
- Stargardt's disease
- retinal pigment epithelial cells
- retinal pigment epithelial cells
- bone marrow transplant
- totipotent
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