Cells Vocabulary

4. Fundamental Scientific theory of biology according to which cells are held to be the basic units of all living tissues.
8. Separates the interior of the cell from the outside environment.
10. Cells with the potential to develop into many different types of cells in the body.
14. The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
15. Composed of more than one cell, with groups of cells differentiating to take on specialized functions.
16. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
17. The use of either naturally occurring or deliberately introduced microorganisms or other forms of life to consume and break down environmental pollutants, in order to clean up a polluted site.
18. The net movement of water across a semipermeable membrane.
20. Not allowing fluid to pass through.
21. A small structure in a cell that is surrounded by a membrane and has a specific function.

1. A group of organs that work together to perform a specific function.
2. The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
3. The one which allows entry of certain substances, exit of some substances but prevents the passage of other substances, through it.
5. Having or consisting of a single cell.
6. (of a material or membrane) allowing liquids or gases to pass through it.
7. A suffix thet either refers to certain aspects of cells ie cellular process or phenomenon or sometimes refers to predominance of certain type of cells.
9. The movement of molecules from an area of high concentration of the molecules to an area with a lower concentration.
11. The process through which "generic" or "common" cells transform into specialized cells with defined tasks.
12. A part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
13. The exploitation of biological processes for industrial and other purposes, especially the genetic manipulation of microorganisms for the production of antibiotics, hormones, etc.
19. A group or layer of cells that work together to perform a specific function.