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Cell Transportation
Cellulr transportati
| Question | Answer |
|---|---|
| What is a solution | Liquid mixture consisting of a solute and a solvent |
| What is a solute | The substance that is being dissolved |
| Solvent | The substance that is doing the dissolving |
| What does semi-permeable mean | It means only certain substances are allowed to pass through |
| What are the three types of transport | Active, Passive, and Bulk transport |
| What are some characteristics of passive transport | -No energy -Diffusion -Osmosis -With concentration gradient |
| What are some characteristics of Active transport | -Requires energy - Against concentration gradient |
| What is diffusion | When partials move to a high contraction to a low concentration |
| What are some factors that affect diffusion | Temperature, Pressure, & Concentration (As they go up, the rate will also) |
| What is Osmosis | Movement of water across a cell membrane |
| Does water always move toward the higher or lower concentration of solute particles? | Higher |
| What are the three types of solutions | -Isotonic -Hypotonic -Hypertonic |
| What is Isotonic | Solutes inside = solutes outside |
| What is Hypotonic | Solutes are higher inside the cell than outside (water flows in, cells may burst) |
| What is Hypertonic | Solutes are higher outside the cell than inside (water flows outside the cell, cell shrinks) |
| What is a turgor plant cell | It's when a plant cell fills with water and press against the cell wall making the cells rigid |
| What does turgid mean | Plump/Full |
| What does Flaccid | water lost/dehydrated |
| What is a Contractillie Vacuole | It's a structure in protists that collect and expels excess water out of the cell to prevent the cell from exploding |
| What is Facilitated diffusion | A process that occurs when molecules move from an high area of concentration to a low with the aid of proteins |
| What is a channel protein | A protein that allows the transport of specific substances across a cell membrane. |
| What is bulk transport | Is used when molocules are too large to be moved by channel protiens |
| What is Endocytosis | Movement into a cell by forming a vesicle |
| What is Exocytosis | Movement out of a cell by releasing the contents of a vesicle |
| What is Pinocytosis | Movement of large volumes of solution with dissolved solutes in or out the cell ("Cell drinking") |
| What is Phagocytes | Movement of large particles into or out of the cell ("Cell eating") |
| What are some examples of Bulk transport | Pinocytosis Phagocytes Exocytosis Endocytosis |
| What are the three parts of the cell theory | (1) All living things are made up of cells,. (2) Cells are the smallest units (or most basic building blocks) of life. (3) All cells come from preexisting cells through the process of cell division |
| What is Homeostasis? | I'ts maintaining a stable internal environment even though external conditions change |
| What are the to types of cells | Prokaryotic and Eukaryotas |
| What are Prokaryotic cells | Simple cells that have no membrane bound organelles or nucleus |
| What are Eukaryota cells | Cells that have membrane bound organelles and nucleus |
| What is a protein pump? | A type of membrane protein that requires energy in form of ATP to move molecules across the cellular membrane |
| What is a Vesicle | "Mail men," small membrane bound sacs that transport materials around cell and to cell membrane |
| What is a Cytoskeleton | A cellular skeleton made of protein micro-tubules and micro-filaments. |
| Where does water move in osmosis | A high concentration of water to a low concentration of water |
Created by:
zOfficialupbeat
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