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Stack #193437
| Question | Answer |
|---|---|
| Prokaryote | a single celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria |
| Eukaryote | an organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle; electrolytes include protists, animals |
| Organelle | one of the small bodles that are found in the cytoplasm of a cell and that are specialized to perform a specific function |
| Nucleus | in a eukaryatic cell a membrane bound organelle that contains the cell's DNA and has a role in process such as growth, metabolism and reproduction |
| Chloroplast | an organelle found in plant and algae cells where photosynthesis occurs |
| Mitochondria | in eukaryotic cells the cell organelle that is surronded by two by two membranes and that is the site of cellurlar respiration, which produces atp |
| Cell wall | a rigid structure that surronds the cell of plants, fungi, many protists and most bacteria |
| ribosome | an organelle that functions in the synthesis of protiens |
| lysosme | an organelle containing digestive enzymes existing primaraly in animal cells |
| Osmosis | the diffusion of water across a selective permable membrane |
| organ | several types of body tissue that together perform a function |
| organ system | a group of organs that interact to perform a set of releated tasks |
| diffusion | the process by which molecules move from an area of greater concentration to an area of lesser concentration |
| Passive transport | The movement of a chemical substance across a cell membrane without expenditure of energy by the cell, as in diffusion. |
| Active transport | the movement of ions or molecules across a cellular membrane from a lower to a higher concentration, requiring the consumption of energy. |
| Endocytosis | the process by which a cell surronds and engulfs a substance |
| Exocytosis | the transport of material out of a cell by means of a sac or vesicle that first engulfs the material and then is extruded through an opening in the cell membrane |
| Flagella | a long, lashlike appendage serving as an organ of locomotion in protozoa, sperm cells |
| Cilia | minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals. |
| tissue | in most multicellular orgamisms a group of similar cells that carry out a common function |
| Homostasis | the stable internal conditions of living things |
| Equilibrium | a state that exists when the concentration is the same throughout space |
| acid | any substance that increases concentration of hydrogen ions when added water to solution |
| base | any substance that increases the concentration of ions when added to a water solution |
| Aerobic | the process in which cells make ATP by breaking down organic compunds with with oxygen as the final electrons acceptors |
| Cellular respiration | the process in which cells make ATP by breaking down organic compounds |
| Photosynthesis | the conversion of light energy into chemical energy stored in organic compounds |
| Chemosynthesis | the production of carbohydrates through the use of energy from inorganic molecules instead of light |
| Fermentation | a process in which cells make a limited amount of ATP by converting gluecose into another organism compound such as latic acid or ethyl alchol in the absence of oxygen |
Created by:
rjaniszewski