Major Cell Components
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Created by:
cpatter on August 30, 2009
Subjects:
anatomy, physiology, cell structure & function
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10 terms
Terms | Definitions |
|---|---|
 Plasma (cell) membrane | contains receptors for communication; forms intercelluar connections; acts as a phydical barrier to enclose cell contents; regulates material movement into and out cell |
| Cytoplasm | contains cytosol and inclusions and organelles. Site of metobolic processes of the cell; stores nutrients and dissoves solutes |
| Cytosol | provides support for organelles;serves as a medium through which diffusion occurs; viscous fluid, the aqueous part of the cytoplasm within which various particles and organelles are suspended |
| Organelles | membrane and non-membrane bound structure that have unique functions and activities |
| Inclusions | storage products or other products of cellular metabolism or foreign matter retained in cytoplasm |
| Nucleus | acts as cell control center; controls all genetic information; site of ribosome subunit assembly |
| Nuclear envelope | double membrane boundary between cytoplasm and nucleus |
| Nucleolus | snythesis rNA and assembless ribosomes in the nucleus; spherical. dark staining, dense granular region in the nucleus, small, dense region within most nuclei in which the assembly of proteins begins |
| Nuclear pores | structures in the nuclear envelope that allow passage of certain materials between the cell nucleus and the cytoplasm |
| Chromatin and chromosomes | Site of genes in the DNA. |
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