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Definition: Cell Theory |
Cell TheoryNoun1. (biology) the theory that cells form the fundamental structural and functional units of all living organisms. Source: WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. |
(From Wikipedia, the free Encyclopedia)
The cell theory says that:
Microscopes continued to be improved upon by scientists that studied cells. As a result, the scientists could see closer and begin to understand the internal structures of an individual cell. The internal structures of a cell are called organelles, which means "little organs." Just as our bodies are made up of organs, the "bodies" of cells are made up of organelles.
- All organisms are composed of one or more biological cells.
- The cell is the basic unit of organization of organisms.
- All cells come from preexisting cells.
There are two basic types of cells:
See also: germ theory
- prokaryote: do not have a nucleus or membranes surrounding its organelles. Example: bacteria.
- eukaryotes: do have a nucleus and organelles with membranes surrounding them. Example: plants, animals.
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Cell theory."
Crosswords: Cell Theory |
| English words defined with "cell theory": Lorenz Oken, Lorenz Okenfuss ♦ Oken, Okenfuss. (references) |
| Domain | Title |
Books | |
Source: compiled by the editor from various references; see credits. | |
| The following statistics estimate the number of searches per day across the major English-language search engines as identified by various trade publications. Hyperlinks lead to commercial use of the expression at Amazon.com. |
| Expression | Frequency per Day |
cell theory | 74 |
| Source: compiled by the editor from various references; see credits. | |
| Language | Translations for "cell theory"; alternative meanings/domain in parentheses. | |
French | théorie cellulaire. (various references) | |
Pig Latin | ellcay eorythay.(various references) | |
| Source: compiled by the editor from various translation references. | ||
Scrabble® Enable2K-Verified Anagrams | |
| Words within the letters "c-e-e-h-l-l-o-r-t-y" | |
-2 letters: reclothe. | |
-3 letters: cheerly, chortle, elector, electro, erectly, hellery, helotry, lechery, theelol, trochee, trolley. | |
-4 letters: celery, cheero, cheery, cherty, choler, clothe, cohere, collet, colter, creole, echoer, echoey, etcher, hector, heller, hereto, hetero, holler, lecher, lector, lychee, ochery, reecho, reechy, retell, rochet, rotche, teller, tercel, theory, tocher, toller, torchy, troche, trolly, yeller. | |
-5 letters: cello, ceorl, cheer. | |
| Words containing the letters "c-e-e-h-l-l-o-r-t-y" | |
+3 letters: coldheartedly, theoretically. | |
+4 letters: exothermically. | |
+5 letters: heliometrically. | |
| Source: compiled by the editor from various references; see credits. SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.