it14spr101.40bc3t123.txt

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What major part of a cell contains the DNA? Nucleus
What major part of a cell holds specialized structures called cytoplasmic organelles? Cytoplasm
What cellcontains the cytoplasm? Cell membrane
What is the basic units of an organism? Cells
What divides the labor in a cell by partitioning off certain areas or providing specific functions? Organelles
What is the liquid that organelles are suspended in? Cytosol
What is the name of the membrane that controls the entrance and exit of substances allowing some in while excluding others? Selectively permeable
What is the basic framework of the cell membrane? Bi- layer phospholipid
What water- soluble "heads" contain phosphate groups? Hydrophilic
What water- insoluble makes up the interior of the membrane? Hydropholic
What is the name of the cell membrane that is descirbed to reconize the dynamic structure?
Fluid mosaic model
Which prteins penetrate into the phospholipid bi-layer? Integral proteins
Which protein can pass completley through the phospholipid bi-layer? Trans membrane
Which protein does not protrude into the bilayer but remains on the surface?Peripheral proteins