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Bio 181

QuestionAnswer
cell theory all cells come from other cells all living things are made of cells basic unit of life
redi's experiment beaker with closed lid nothing got in, beaker with panty hose only eggs got in, beaker open everything got in
robert hooke and anton van leeuwenhoek first to observe sells
scientific method make observations, ask questions, forming hypothesis, test predicions
lipid mostly non polar, doesnt dissolve in water, contains hydrogen and carbon, mostly hydrophobic
fats saturated bonds
oils unsaturated bonds
triglycerie 3 fatty acids with glycerol
phospholipids phosphate group, 2 fatty acids
steroids 4 ring, isoprene chain, hormones
amphipathic containing hydrophilic and hydrophobic elements
diffusion spontanus movement from high to low concentration
osmosis diffusion of water across a selectively permeable membrane from high to low concentration
isotonic the same amount of salts
hypotic less salts, water moves in
hypertonic more salts, water moves out
prokaryotic lack a true membrane
cytoplasm water, carbs, proteins, lipids, nucleic acid, rna
cytosol fluid portion of the cytoplasm
nucleus contains genetic information for protein synthesis and cell reproduction
lysosomes single membrane bound center for storage and or waste processing
Created by: kiki070
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