Monday, October 14, 2013

biology

Chapter 4 section 3 I. Cell Organelles and Structures 1. plasma tissue paper layer a) Plasma tissue layer- only allows certain molecules to enter or leave the stall. 2. Membrane Lipids a) Phospholipide bilayer- echo layers that make up cell membranes 3. Membrane Proteins a) inviolate protein- Specific proteins embedded within the lipid bilayer b) Peripheral protein- reside on one side of the membrane and are non embedded in it. 4. Fluid mosaic case a) Fluid Mosaic Model- states that the phospholipid bilayer behaves more like a silver then a solid. II. Nucleus a) Chromosomes- structures in the nucleus do of deoxyribonucleic acid and protein 1. nuclear Envelope a) Nuclear Envelope- - a double membrane that surrounds the nucleus 2. Nucleolus a) Nucleolus- Site where DNA is peach when it is in the process of making ribosomal RNA. III. Mitoc hondria a) Mitochondria- tiny organelles that transfer zip fastener fastener from organic molecules to adenosine triphosphate. 1. Mitochondrial DNA a) Mitochondria have their own DNA and whoremaster reproduce only by the division of preexisting mitochondria. IV. Ribosomes a) Ribosomes- Organelles made of protein and RNA V.
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Endoplasmic second stomach a) Endoplasmic reticulum- dodging of membranes, tubes and sacs called cisternae 1. Rough Endoplasmic Reticulum a) System of interconnected flattened sacs cover in ribosomes 2. smooth out Endoplasmic Reticulum a) The smooth ER lacks ribosomes ! VI. Golgi Apparatus a)another system of flattened membranous sacs VII. Vesicles 1. Lysosomes a) vesicles that bud from the golgi apparatus and contain digestive enzymes 2. Peroxisomes a) exchangeable to lysosomes but contain different enzymes and are not produced by the golgi apparatus 3. Other Vesicles a) Glyxosomes- found in the seeds of some plants 4. Protein price reduction a)...If you postulate to get a full essay, order it on our website: BestEssayCheap.com

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