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Biology:Simone
Chapter 7, Vocabulary
| Question | Answer |
|---|---|
| prokaryote | single-celled organism.... |
| lipid bilayer | double-layered sheet.... |
| lysosome | cell organelle filled with enzymes.... |
| eeukaryote | organism whose cells contain nuclei. |
| exocytosis | processby which a cell releases large amounts of material.... |
| organ | group of tissues.... |
| cell wall | strong supporting layer around he cell membrane.... |
| cell specialization | separate toles for each type of cell in multicellular organisms. |
| facilitated diffusion | movement of specific molecules.... |
| hypertonic | when comparing two solutions, the solution with the greater concentration of solutes. |
| active transport | energy-requiring process.... |
| diffusion | process by which molecules tend to move.... |
| cell membrane | thin, flexible barrier around a cell.... |
| phagocytosis | process in which extensions of cytoplasm surround and engulf large particles and take them into the cell. |
| organ system | group of organs.... |
| concentration | the mass of solute in a given volume of solution, or mass/volume. |
| hypotonic | when comparing two solutions, the solution with thelesser concentration of solutes. |
| osmosis | diffusion of water.... |
| tissue | group of similar cells.... |
| pinocytosis | process by which a cell takes liquid from the surrounding environment. |
| mitochondrion | cell organelle that converts the chemical energy stored in food.... |
| nucleus | the center of the atom.... |
| chormatin | granular material visisble within the nucleus.... |
| cell | basic unit of all forms of life. |
| chromosome | threadlike structure within the nucleus.... |
| ribosome | small particle in the cell.... |
| chloroplast | organnelle found in the cells of plants.... |
| cytoskeleton | network of protein filaments.... |
| centriole | one of two tiny structures.... |
| cytoplasm | material inside the cell membrane.... |
| Golgi Apparatus | stack of membranes int he cell.... |
| nucleolus | small, dense region.... |
| equilibrium | when the concentration of a solute is th same throughout a solution. |
| isotonic | when the concentration of two solutions is the same. |
| organelle | specialized structure that preforms.... |
| endoplasmic reticulum | internal membrane system in cells.... |
| nuclear envelope | layer of two membranes that surrounds the nucleus of a cell. |
| endocytosis | process by which a cell takes material into the cell.... |
| cell theory | idea that all living things are composed of cells.... |
| vacuole | cell organelle that stores materials.... |
Created by:
MCBro93
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