Zusammenfassung der Ressource
Cell Stuff
- Eukaryotic cells
- nucleas
- nucleolus
- linear DNA
- membrane-bound organelles
- chloroplasts
- 80S ribosomes
- Prokaryotic cells
- no chloroplasts
- no true nucleas
- no nucleolus
- globular DNA
- no membrane-bound organelles
- 70S ribosomes
- methods of transportation across the cell membane
- diffusion
- conc. gradient
- area of diffusion
- thickness of surface
- high to low
- osmosis
- high to low
- water potential
- partially permeable
- Active transport
- low to high
- ATP
- carrier proteins
- (sodium-potassium pump)
- facilitated diffusion
- passive
- control of exit and entry
- no input of energy
- components
- Endoplasmic Reticulum
- flattened sacs called cisternae
- Rough ER
- L.S.A
- pathway for material transport
- Smooth ER
- Synthesise
- Lipids
- carbohydrates
- Golgi Apparatus
- stacked membranes (cisternae)
- after the ER
- vesicles
- form glycoproteins and lysosomes
- store lipids
- secrete carbs
- Lysosomes
- vesicles with enzymes
- up to 50 per lysosome
- break down material broken down by phagocyte
- digest worn out organelles
- Microvilli
- finger-like projections
- Mitochondrion
- double membrane
- cristae extensions
- Matrix
- respiration - produce ATP
- Nucleas
- hereditary material
- manufacture ribosomes
- Ribosomes
- cytoplasmic granules
- 70S eukaryotic
- 80S prokaryotic