#hs/bio
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|        |                                        |                                                                                                                                                  |                                                                           |
| ------ | -------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------- |
| Number | Word                                   | OWN definition (not copied)                                                                                                                      | Picture/example/analogy (you cannot use the same picture more than twice) |
| 41     | Plasma membrane                        | The barrier of cells that is made of a phospholipid bilayer.                                                                                     |                                                                           |
| 42     | Fluid mosaic model                     | The idea that cell membranes can have different molecules embedded in them such as protein channels and cholesterol.                             |                                                                           |
| 43     | Phospholipids                          | biological macromolecules with hydrophilic heads and two hydrophobic tails.                                                                      |                                                                           |
| 44     | Selective permeability                 | The idea that only certain molecules are able to pass through a cell membrane due to certain properties                                          |                                                                           |
| 45     | Concentration gradient                 | The difference in concentration of a particular solute in solution                                                                               |                                                                           |
| 46     | Passive transport                      | Molecules passing through a cell membrane with the concentration gradient (high to low)                                                          |                                                                           |
| 47     | Diffusion                              | Molecules passing through a membrane without a channel                                                                                           |                                                                           |
| 48     | Facilitated diffusion                  | Molecules passing through a membrane with a protein channel assisting                                                                            |                                                                           |
| 49     | Active Transport                       | Molecules passing through a cell membrane against the concentration gradient; requires energy                                                    |                                                                           |
| 50     | Endo/exocytosis                        | The process of larger molecules entering or exiting a cell by some membrane forming a vesicle around the molecule                                |                                                                           |
| 51     | Osmosis                                | Water passing through a cell membrane (or other barrier)                                                                                         |                                                                           |
| 52     | Hypertonic                             | Relative term describing more solute in solution                                                                                                 |                                                                           |
| 53     | Hypotonic                              | Relative term describing less solute in solution                                                                                                 |                                                                           |
| 54     | Isotonic                               | Relative term describing equal solute in solution                                                                                                |                                                                           |
| 55     | Water potential                        | Value that describes the tendency of water two move between two solutions, water will move from higher water potential to lower water potential. |                                                                           |
| 56     | Solute potential / pressure potential  | Two terms that sum to form water potential, higher solute = lower solute potential, more pressure = higher pressure potential                    |                                                                           |
| 57     | Surface area to volume ratio           | The surface are of a cell divided by it's volume                                                                                                 |                                                                           |
| 58     | Organelle                              | A part of a cell that can act mostly independently and performs a specific task.                                                                 |                                                                           |
| 59     | Ribosomes                              | Parts of a cell that help to form the primary structure of new proteins.                                                                         |                                                                           |
| 60     | Cytosol                                | The solution inside a cell that all organelles and parts reside in                                                                               |                                                                           |
| 61     | Prokaryote                             | A more primitive type of cell with no nucleus, cell wall and no membrane-bound organelles                                                        |                                                                           |
| 62     | Eukaryote                              | A more complex type of cell that makes up plants and animals that includes a nucleus and membrane-bound organelles                               |                                                                           |
| 63     | Membrane-bound organelle               | A complex part of a cell that includes a membrane separating it from the rest of the cell                                                        |                                                                           |
| 64     | Nucleus                                | A organelle in a cell that contains the DNA and genetic material for a cell                                                                      |                                                                           |
| 65     | Endoplasmic Reticulum (rough & smooth) | Organelles that help to form both proteins and lipids respectively                                                                               |                                                                           |
| 66     | Golgi                                  | Organelle that helps to finish and package proteins for transport within or outside of the cell                                                  |                                                                           |
| 67     | Lysosomes                              | Organelles containing highly basic solution that helps to clean up the cell and assists in apoptosis.                                            |                                                                           |
| 68     | Vacuole                                | Containers in cells that contain water or other materials for the cell                                                                           |                                                                           |
| 69     | Mitochondria                           | The powerhouse of the cell!                                                                                                                      |                                                                           |
| 70     | Chloroplasts                           | Organelles in plants that can take in sunlight and convert it to energy                                                                          |                                                                           |
| 71     | Cytoskeleton                           | Part of a cell that helps to resist mechanical deformations                                                                                      |                                                                           |
| 72     | Cell wall                              | More rigid barrier in both plant cells and prokaryotes.                                                                                          |                                                                           |