Help
Options
Question
Cells
click to flip
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't know
Question
Cell Theory
Remaining cards (39)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Cell Flashcard
| Question | Answer |
|---|---|
| Cells | The basic units of life |
| Cell Theory | A fundamental concept that summarizes the discoveries of biologists. |
| Nucleus | A large membrane enclosed structure that contains the cells genetic material in the form of DNA |
| Eukaryotes | Cells that contain nuclei |
| Prokaryotes | Cells that do not contain nuclei |
| Organelles | Structures in cells that act as "little organs" |
| Cytoplasm | The portion of the cell outside of the nucleus |
| Nuclear Envelope | Layer of two membranes that surround the nucleus of a cell |
| Chromatin | The granular material you can see in the nucleus that consists of DNA bound to protein |
| Chromosomes | Formed when chromatin condenses, contain genetic info passed from one generation of cells to the next |
| Nucleolus | A small dense region where the assembly of ribosomes begins |
| Ribosomes | Small particles of RNA and protein found throughout the cytoplasm |
| Endoplasmic Reticulum (ER) | The site where lipid componets of the cell membrane are assembled along w/protein and other materials that are exported fromt the cell |
| Glogi Apparatus | Modifies, sorts, and packages proteins and other materials from the ER for storage in the cell or secretion outside the cell |
| Lysosomes | Small organelles filled w/ enzymes |
| Vacuoles | Store materials like water, salts, proteins & carbs |
| Mitochondria | Convert chemical energy in food into compounds that are more concenient for the cell to use |
| Chloroplasts | Capture energy from sunlight & convert it into chemical energy during photosynthesis |
| Cytoskeleton | Supporting structure that gives Eukaryotic cells their shape |
| Centrioles | Located near nucleus & help organize cell division |
| Cell Membrane | A thin felxible layer that surrounds cells |
| Cell Wall | A strong supporting layer around the membrane |
| Lipid Bilayer | A double layered sheet of lipids that froms the cell membrane |
| Concentration | The mass of solute in a given volume of solution |
| Diffusion | Particles in solution move to an area where they are less concentrated |
| Equilibrium | When the concentration of a solute is the same throughout a solution |
| Osmosis | The diffusion of water through a selectively permeable membrane |
| Isotonic | When the concentration of two solutions is the same |
| Hypertonic | When comparing 2 solutions the solution w/the greater concentration of solutes |
| Hypotonic | Solution w/lesser consentration of solutes |
| Faciliated Diffusion | Movement of specific molecules across cell membranes through protein channels |
| Active Transport | Energy requiring process that moves material across a cell membrane against a concentration differnece |
| Endocytosis | Process of taking material into the cell by means of infoldings/ pockets of the cell membrane |
| Phagocytosis | Process where extensions of cytoplasm sorround & engulf large particles & take them into the cell |
| Pinocytosis | Procees where cell takes in liquid from surrounding environment using tiny pockets that pinch off & from vacuoles |
| Exocytosis | Membrane of vacuole surrounding the material fuses w/the cell membrane forcing contents out of cell |
| Cell Specialization | Cells in organism develope in different ways to perform different tasks |
| Tissue | A group of similar cells the perform a particular function |
| Organ | Many groups of tissue work together as organ |
| Organ System | Group of organs that work together to perform a particulat function |
Created by:
katelynh97
Popular Biology sets