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Science cell transpo
| Question | Answer |
|---|---|
| Why is the cell membrane made up of lipids | the fatty acid part is hydrophobic meaning it hates water and the head is water lovers therefore the membrane keeps water out of the cell and the cytoplasm in. It also provides protection |
| Passive energy goes from _____ to _____ concentration | high to low |
| what are the 3 types of passive | DIffusion (does not need help) Facilitated diffusion (large and charged) Osmosis (small and uncharged) |
| 3 types of molecules in passive | isotonic hypertonic hypotonic |
| Where are proteins located | cell membrane |
| Active energy goes from _____ to _____ concentration | low to high |
| 2 types ofactive | Extocytosis (exits the cell) Endocytosis (enters the cell) |
| in hypotonic cells will | swell |
| in hypertonic cells will | shrink |
| in isotonic cells will | stay the same |
| Explain cell transport (passive/active) using a bike and a hill | Passive transport is like riding a bike downhill which requires no energy. using passive transport while going up hill requires active energy and using pedals. |
| Why are cells super small | Smaller cells are more efficient because the surface area:volume is higher. the higher the ratio the more cells cross through the membrane. |
| Why can't nemo live in fresh water? what happens to the cells | Nemo's cells are adapted to salt water so if he drank salt water his cells would swell and he would die. |
| Explain facilitated diffusion transport | Molecules transported from high to low with help from the protein channels |
| what type of molecules use facilitated diffusion transport | Large and charged molecules |
| Explain diffusion transport | Molecules transported from high to low |
| What type of molecules use diffusion transport | Small and uncharged molecules |
| Explain osmosis transport | Its passive so it moves |
| What type of molecules use osmosis transport | Water molecules |
| Bulk items enter the cell using | energy |
| Bulk items exit the cells using | energy |
| the cell membrane is said to be | Selectively permeable |
| why is the cell membrane said to be Selectively permeable | Because it regulates interaction inside and outside environment |
| what are the 3 molecules the cell membrane is primarily made of | Lipids Proteins Carbohydrates |
| What is the role of lipids in cell membrane | forms the main part of the membrane around the cell |
| what is the role of proteins | pumps to help material move across the membrane |
| what is the role of carbohydrates | allows cells to identify one another |
| what is the role of passive transport | when no energy is required |
| why is it so important for your body to maintain water or sugar homeostasis | because without it water will leave your bodys cells would shrivel up and die |
| why is it important to have low white blood cells that perform endocytosis | because it catches all the bacteria |
| what is the difference between phagocytosis and pinocytosis | Phagocytosis is when your cells use endocytosis to pull in liquid particles and Pinocytosis is when cells use endosytosis to pull in solid particles |
Created by:
joyb2010