Term
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Definition
smallest structure capable of maintaining life
composed of cell membrane, cytoplasm, and nucleus |
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Term
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Definition
| Cytoplasm + Nucleus (life) |
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Term
| Cell membrane composition |
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Definition
75 Angstrom
composed of phospholipid, protein, with some carbohydrate and cholesterol, bilipid layer
structure is called fluid mosaic model |
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Term
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Definition
maintain cell's integrity
transports substances into and out of the cell (diffusion and osmosis)
provides immunity
defends body against bacteria (lysosomes)
receives communication from other cell
serves as a boundary |
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Term
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Definition
Endoplasmic Reticulum
2 types- interconnecting channels provide means of orderly distrobution and other substances
"Highways" |
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Term
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Definition
Rough Endoplasmic Reticulum
attached with Ribosomes on which protein synthesis occurs |
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Term
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Definition
Smooth ER
no ribosomes
helps in synthesis and transport of lipid and glycogen (animal starch) |
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Term
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Definition
tiny sacs stacked on each other
synthesize large carbohydrates and combine with protein to form glycoproteins
packed into globules found in secretory cells of glands like those in the pancreas and liver |
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Term
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Definition
bag of enzymes (lysosomal hydrolases) packaged in Golgi body
function in cellular digestion |
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Term
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Definition
m-RNA (messenger)
r-RNA (ribosomal)
t-RNA (transfer) |
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Term
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Definition
| two subunits of RNA bonded with protein, function in protein synthesis |
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Term
| Common locations of Ribosomes |
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Definition
| could be free, attached to ER, Polyribosomes, or Polysomes |
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Term
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Definition
| Two cylinders located near the nucleus at right angles to each other |
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Term
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Definition
| form spindle fibers and pull chromosomes apart during cell division |
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Term
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Definition
two membrane systems
Inner membrane forms foldings called Cristae |
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Term
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Definition
cellular respiration
oxidative phosphorylation to produce energy (ATP) |
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Term
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Definition
| motile, structure very similar to centriole, provide movement |
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Term
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Definition
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Term
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Definition
| nuclear membrane, nucleolus and nucleoplasm controls the growth of the cell |
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Term
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Definition
| composed of chromatin thread that condenses into chromosomes during cell division |
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Term
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Definition
| contain genes which determine heredity and the inheritance of characteristics |
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Term
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Definition
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Term
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Definition
| growth, body/somatic cells, 2X > 2X |
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Term
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Definition
| Cell reduction, sex cells only, 2X > X |
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