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Biochemistry Flashcards

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5184866952chemical formula for waterH₂O0
5184888371polar moleculemolecule has positive and negative sides DUE to unequal sharing of electrons1
5184891795cohesionattraction between like molecules (two water molecules)2
5184895233adhesionattraction between unlike molecules (water and glass)3
5184897196meniscuscurved water line at top of graduated cylinder DUE to adhesion of water and glass being stronger than the cohesion of the water droplets4
5184901521mixturesubstances physically mixed together5
5184904562suspensionmolecules are not dissolved into solute (sand and water)6
5184908375solutiontwo or more substances evenly distributed throughout mixture7
5184914527solutesubstance dissolved into solvent8
5184917277solventsubstance that the solute dissolves into9
5184920321pH scalemeasures the concentration of hydrogen ions in solution; scale is 0-1410
5184925440acidsubstance that forms hydrogen ions (H+) when dissolved in water; pH values of 0-6; 0 is strongest, 6 is weakest11
5184933568base (alkaline)substance that forms hydroxide ions (OH-) when dissolved in water; pH values of 8-14; 8 is weakest, 14 is strongest12
5184939388neutral pH713
5184944589organic compoundscontain carbon14
5184946461How many valence electrons does C have?415
5184949249polymerlarge molecules made of many building blocks16
5184953226monomersmall molecules that act as the building blocks of larger polymers17
5184973336the big 4carbs, proteins, lipids, nucleic acids18
5184974620carbohydrates are made of what elements:C, H, O ALWAYS in a 1:2:1 ratio19
5184980946monomers of carbs?monosaccharides20
5184985442carbs are what type of "food"?sugars21
5184985443where do carbs come from?plants make them22
5184988342monosaccharidessingle sugars23
5184990831chemical formula of monosaccharidesC₆H₁₂O₆24
5185062896examples of monosaccharidesglucose, galactose, fructose25
5185064048glucosemonosaccharide made when plants photosynthesize26
5185066075galactosemonosaccharide found in milk27
5185067330fructosemonosaccharide in fruit28
5185068837disaccharidecarbohydrate made of 2 monosaccharides29
5185072366formula for disaccharidesC₁₂H₂₄O₁₂30
5185111602example of disaccharidesucrose (table sugar)31
5185113346sucrosetable sugar; disaccharide made from the joining of a glucose and a fructose molecule32
5185121804polysaccharidelarge carbohydrate made of many monomers33
5185126986examples of polysaccharidesstarch, glycogen, cellulose, chitin34
5185129891starchpolysaccharide made in plants by bonding many glucose together; used to store energy in plants35
5185138515glycogenpolysaccharide used to store glucose in animal cells36
5185150006cellulosepolysaccharide used to build the cell wall in plants37
5185151740chitinpolysaccharide used to build the cell wall of fungus and the exoskeleton of insects38
5185164469How do you find out how many monomers are in a polysaccharide?Divide the number of Carbons by 639
5185175560How do you find the chemical formula of a polysaccharide when given the number of monomers?number of monomers X 6 for C and O; double that number for H40
5187236741What elements are lipids made of?CHO (not in any ratio)41
5187243800What are the monomers of lipids?glycerol + fatty acid42
5187248940how do you recognize a lipid molecule?long chains of C-H43
5187252484fats and oilslipids used for long term energy storage44
5187254105waxeslipids used for waterproofing45
5187255888cholesterollipids used to build the cell membrane46
5187258848steroidslipids used as chemical messengers47
5187264177saturated fatsunhealthy lipids that are solid at room temp; contain only single bonded C-H; straight, rigid molecule; ex. butter, lard, animal fat48
5187281911unsaturated fatshealthy lipids that are liquid at room temp; contain double or triple bonds, flexible, bent molecule; ex: fish oil, olive oil49
5187290741saturated fat50
5187302755unsaturated fat51
5187316571What elements make up proteins?CHON52
5187324388What are the monomers of proteins?amino acids53
5187326350enzymeprotein that controls the rate of chemical reactions54
5187328887collagenprotein that acts as connective tissue55
5187330413elastinprotein that gives your skin elasticity56
5187336395keratinprotein that builds skin, hair, nails57
5187345361melaninprotein that acts as a pigment and gives skin and hair color58
5187350279hemoglobinprotein in red blood cells that carry oxygen59
5187353102actin and myosinproteins that help muscles contract60
5187355389insulinprotein that controls blood sugar levels61
5187357533estrogenprotein that controls female reproductive system62
5187360039antibodiesprotein that aids the immune system63
5187362077plateletsprotein that clots the blood64
5187364435oxytocinprotein that contracts the uterus during childbirth65
5187368672nucleic acidspolymer that stores genetic information66
5187370427monomers of nucleic acidsnucleotides67
5187373984What elements make up nucleic acids?CHONP68
5187376044What 3 things make up a nucleotide?sugar, phosphate, nitrogen base69
5187378339formula for phosphatePO₄70
51873847322 types of nucleic acidsDNA, RNA71
5187389309What are nucleic acids named after?their sugar (ribose, deoxyribose)72
5187390609What sugar is in DNA?deoxyribose73
5187392293What sugar is in RNA?ribose74
5187495290Which nucleic acid is single stranded?RNA75
5187501645Which nucleic acid is double stranded?DNA76
5187505862contains the information on how to make proteinsDNA77
5187505863helps make the proteinsRNA78
5187507802the recipeDNA79
5187507803the chefRNA80

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