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Unformatted text preview: CHAPTER 6: CELLS AND THEIR STRUCTURE- Smallest living unit o Generates own energy; takes in nutrients, gives off wastes o Compartmentalized (defined by membranes, intracellular organelles- The smaller an object is, the bigger its surface to volume ratio is Plant v. Animal cells Animal cells: lysosomes, centrioles, flagella Plant cells: chloroplasts, cell walls, vacuoles, plasodesmatas NUCELUS- Surrounded by rough ER and bound by Ribosomes; - Nucleolus and chroamtis- Nuclear envelope has both an inner and outer membrane; dotted all around with nuclear pores- Ribosomes on the rough ER make MEMBRANE PROTEINS Chapter 7 Membranes:- Phospholipid bilayer- Fluid mosaic model (lateral diffusion)- Associated proteins- Osmosis Hydrophobic and Hydrophilic regions of proteins and phospholipid bilayers Alpha helix structures in protein membranes; molecule bound by another molecule (protein) is called a ligand Fibers of collagen are in contact with cells; molecules which link up to peripheral membranes; if...
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