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Cells megan rieden
| Question | Answer |
|---|---|
| cells | basic unit of life |
| cell theory | a fundamental concept of biology |
| nucleus | a large membrane- enclosed structure that contains the cells gentic material in the form of DNA |
| Eukaryotes | are cells that contain nuclei |
| Prokaryotes | cells that do not contain a nuclei |
| organelles | lierally "little oragns" |
| nuclear envelope | composed of 2 membranes |
| chromatin | granular material you can see in the nucleus |
| chromosomes | when a cell divides, however, chromatin condenses to form |
| nucleolus | nuclei that contain small, dense region know as |
| ribosomes | small particles of RNA and protein found throughout the cytoplasm |
| endoplamreticulum | eukaryotic cells contain an internal membrane system known as th endoplasmic recticulum |
| Golgi apparatus | organelle where proteins move too |
| lysosomes | small organelles filled with enzymes |
| vaculoes | structurals that store materials such as water, salts, proteins, and carbohydrates |
| mitochondria | organelles that convert the chemical energy stored in compounds that are more convenient |
| cytoskeleton | eukaryotic cells are given their shape and organization by supporting stuctures |
| centrioles | located near the nucleus to help organize cell division |
| cell membrane | cell surrounded by a thin flexible barrier called |
| lipid bilayer | double layer of the cell membrane |
| concentration | soution is the mass of solute in a given volume/mass |
| diffusion | concentrated are where there are less concentrated areaa |
| equilibrium | concentration of a solute is the same throughout |
| osmosis | diffusion of water through a selectively permeable membrane |
| isotonic | "same strength" |
| hypertonic | consentration"above strength" |
| hypotonic | consentration "below strength" |
| facilated diffusion | help diffusion the glucose around the membrane |
| active transport | powerful diffusion of cells |
| endocytosis | taking material into the cell by means of infoldings, or pockets |
| phagocytosis | extensions of cytoplasm surround a particale and package it within a food vacuole |
| pinocytosis | tiny pockets form along the cell membrane |
| exocytosis | the membrane of the vacuole surrounding the material fuses with the cell |
| cell specialalization | cells through out an organism can develop in diffrent ways to perform different tasks |
| organ | many groups of tissue work together called a |
| organ system | a group of organs that perform a specific function |
Created by:
meganrieden
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