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Basic Biochemistry AP Biology Flashcards

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5329827309proton charge+1,0
5329827311electron charge-11
5329827312neutron charge02
5329827313proton locationnucleus3
5329827315electron locationoutside nucleus in orbitals4
5329827318isomerssame molecular formula but different structure5
5329827319ionic bondstransfer of electrons6
5329827322covalent bondsatoms share electrons, creating a molecule7
5329827323single covalent bondtwo atoms share a pair of electrons8
5329827324non-polar bondelectrons are shared equally between two identical atoms. Will not dissolve in water9
5329827325polar bondatoms are shared unequally. Will dissolve in water10
5329827326specific heatthe amount of heat a substance must absorb to increase 1 gram of the substance by 1C11
5329827328universal solventwater12
5329827329organic compounda compound that contains carbon13
5329827330carbonalways forms 4 covalent bonds14
5329827331major classes of organic compoundscarbohydrates, lipids, proteins, and nucleic acids15
5329827332ratio of hydrogen to oxygen in a carbohydrate2/116
5329827334three classes of carbohydratesmonosaccharides, disaccharides, and polysaccharides.17
5329827335monosaccharideschemical formula: C6 H12 O6. Glucose, galactose, and fructose (isomers of one another).18
5329827336disaccharideschem formula: C12 H22 O11. consist of two monosaccharides joined by dehydration synthesis/condensation (removal of one molecule of water)19
5329827337sucrose + water --> glucose + fructoseand example of hydrolysis20
5329827338polysaccharidespolymers of carbohydrates and are formed as many monos. join via dehydration synthesis.21
5329827339five important polysaccharidescellulose, starch, chitin, glycogen, peptidoglycan22
5329827340chitinimportant polysaccharide, found in animals. makes up exoskeleton in arthropods (and cell walls in mushrooms) Contains peptide cross bridges.23
5329827341glycogenimportant polysaccharide, "animal starch". stored in liver and skeletal muscle in humans.24
5329827342lipidsfunctions: energy storage, structure, and endocrine. organic compouds: fats, oils, waxes, and steroids. hydrophobic. consist of 1 glycerol and 3 fatty acids.25
5329827344fatty acida longnhydrocarbon chain with a carboxyl group at one end. either saturated or unsaturated26
5329827345steroidslipid based hormones ex: testosterone, cholesterol, and estradiol.27
5329827346saturated fatsgenerally come from animals, solid at room temp, linked to heart disease. ex: butter!28
5329827347proteinsenzymes, most hormones, antibodies, structural, pigments etc....29
5329827348-OHhydroxyl group30
5329827349PO4-2phosphate group31
5329827351nucleic acideither RNA or DNA. polymers, carry all heriditary info. made of nucleotides.32
5329827352nucleotidea phosphate, 5-carbon sugar, nitrogenous base33
5329827360cholesterollipid used as the base for many steroids34
5329827361Phospholipids in Cell MembranesA phosphate group (PO4-) replaces one of the three fatty acids normally found on a lipid. The addition of this group makes a polar "head" and two nonpolar "tails". Aligned tail to tail so the nonpolar areas form a hydrophobic region between the hydrophilic heads on the inner and outer surfaces of the membrane.35
5329827363adenosine triphosphate (ATP)main energy source for cells36
5329827376Peptide bondThe bond between two amino acids37
5329827378amino acidBuilding blocks of protein (monomer)38
5329827379amine groupthe nitrogen-containing portion of an amino acid -NH239
5329827380carboxyl groupA functional group present in organic acids -COOH40
5329827381R groupAmino acid side chain- different for each amino acid. It is always off the middle carbon41
5329827385hydrolysisBreaking down molecules by the chemical addition of water. The opposite of Dehydration Synthesis42
5329827396PhospholipidOne phosphate replaces a fatty acid to make a polar end to the molecule43
5329827397Mutationany change in the DNA of an organism44
5329827400Specific HeatThe amount of heat required to raise the temp of 1 gram of water(l) by 1 degree Celsius45
5329827404Surface Tensionon the surface of water, the result of Hydrogen bonding46
5329827405Capillary actionthe result of adhesion and cohesion, it is the rising of water in a thin tube.47
5329827406Sulfhydryl groupthis functional group is found in amino acids they form disulfide bridges in proteins48
5329827408monomer of nucleic acidnucleotide49
5329827409subunits of proteinsamino acids50
5329827411store and transmit genetic infonucleic acids51
5329827413contain twice as much hydrogen as carboncarbohydrates52
5329827414store enough energy for a bear to hibernatelipid53
5329827415contains carbon, hydrogen, oxygen and nitrogenprotein54
5329827416polysaccharide that makes up the exoskeleton of insectschitin55
5329827418long, chain like molecule made up of many repeating monomerspolymer56
5329827419group of organic compounds rich containing C, H, and O with a very high H to O ratiolipids57
5329827421along with a sugar and a nitrogenous base, makes up a nucletidephosphate58
5329827422disaccharide known as table sugarsucrose59
5329827423polysaccharide in which animals store excess carbs (animal starch)glycogen60
5329827426polysaccharides found in plant cell wallscellulose61
5329827427monosaccharide that cells can useglucose62
5329827429proteinmacromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes63
5329827431carbohydratesorganic compounds, composed of carbon, hydrogen and oxygen, ratio of one carbon atom to two hydrogen atoms to one oxygen atom64
5329827432starchpolysaccharide in plant cells that consists entirely of glucose monomers65
5329827433cellulosepolysaccharide consisting of glucose monomers that reinforces plant-cell walls66
5329827434DNAa long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix67
5329827435enzymespecialized proteins that speed up chemical reactions68
5329827436RNAribonucleic acid, a natural polymer that is present in all living cells and that plays a role in protein synthesis69
5329827438fatsaturated solid at RT no double bonds70
5329827439oilsunsaturated liquid at RT many double bonds71
5329827440LactoseA disaccharide found in Milk72

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