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Biochemistry Flashcards

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4954327803carbon; hydrogenOrganic compounds based on ______ and are secondly based on ___________.0
49543278044Carbon contains ____ valence electrons.1
4954327805monomermost basic unit of any organic compound; consists of a simple molecule and serve as a unit in a polymer; link with covalent bonds2
4954327806macromoleculeone large polymer; proteins, carbs, nucleic acid, lipids3
4954327807condensation reaction (dehydration synthesis)monomers join to form polymers and water is formed4
4954327808condensation and hydrolysis2 chemical reactions of carbon compounds5
4954327809characteristics; consistentlyFunctional groups give molecules their unique ____________ and behave ___________.6
4954327810hydroxyl, carboxyl, amino, phosphate4 types of functional groups7
4954327811hydroxyl group (-OH)functional group that is polar and attracts to water8
4954327812alcoholscompounds containing hydroxyl groups9
4954327813carboxyl group10
4954327814carboxylic acids; hydrogen ionscompounds containing carboxyl groups; considered acids because they release what in a solution?11
4954327815amino groupfunctional group that acts as a base because they reduce amount of hydrogen ions in solution; pH goes up; important in proteins12
4954327816aminescompounds containing amino groups13
4954327817phosphate groupfunctional group that is component of nucleic acid and ATP and is important in energy transfer14
4954327818carbohydrates, proteins, lipids, nucleic acid4 organic compounds of life15
4954327819carbohydrate-composed of carbon, hydrogen, and oxygen -main energy for life -provide structure for living things16
4954327820C6 H12 O6 (ratio= 1:2:1 as C:H:O)general formula of a monosaccharide is17
4954327821monosaccharidemonomer of carbohydrate18
4954327822glucose, fructose, and galactose3 most common monosaccharides19
4954327823glucosemonosaccharid/blood and plants; sugar in plants20
4954327824fructosemonosaccharide/sugar found in fruit21
4954327825galactosemonosaccharide/sugar found in milk22
4954327826isomersglucose, fructose, and galactose are all-23
4954327827isomerthe structure for monosaccharides is an ________ : formula is same but structure is different24
4954327828disaccharidespolymers of carbs25
4954327829sucrose, lactose2 polymers of carbs26
4954327830sucrosedisaccharide that is glucose and fructose; makes up sugar cane/table sugar27
4954327831lactosedisaccharide that is galactose and glucose; makes up milk sugar28
4954327832starch, cellulose, glycogen, chiten4 macromolecules of carbs29
4954327833starchmacromolecule of carbs found in potatoes, pasta; made up of glucose30
4954327834storage form of glucose in a plantfunction of starch:31
4954327835cellulosemacromolecule of carbs that can't be digested (fiber)32
4954327836structural carbohydrate; makes up plant cell wallsfunction of cellulose33
4954327837glycogenmacromolecule of carbs that is energy storage; how animals store glucose; temporary glucose storage34
4954327838chitenmacromolecule of carbs that is structural; makes up exoskeleton of terrestrial arthropods35
4954327839proteincomposed of carbon, hydrogen, oxygen, and nitrogen atoms36
4954327840-provide structure, catalyze chemical reactions, help with transportation (ex: hemoglobin tranports oxygen), fight infection, regulate body functions, and help cells comunicatefunction of proteins37
4954327841make up enzymes which serve as catalystshow do proteins help catalyze chemical reactions?38
4954327842make up antibodies that help locate/fight disease in the bloodstreamhow do proteins help fight diseases?39
4954327843receptor proteinswhat kind of protein helps with cell comminication40
4954327844make up insulin which regulates body sugar levelshow do proteins help regulate bodily functions?41
4954327845protein function that gives structure in hair and nailskeratin42
4954327846protein function that gives structure by making up skin and muscle (used to treat wrinkles in plastic surgery)collegen43
4954327847amino acidmonomer of a protein44
495432784820# of different amino acids due to different R/variable groups45
4954327849dipeptidepolymers of protein46
4954327850"R" groupswhat determines the difference between amino acid groups?47
4954327851false- they are very rare!true/false: dipetides are very common48
4954327852polypeptidemany amino acids linked together49
4954327853peptide bondscovalent bonds that join amino acids into dipeptides and polypeptide50
49543278543-Dstructure of protein: large macromolecules that are twisted and folded into _____ molecules51
4954327855primary structureprotein structure that the sequence of amino acids determines structure and function of protein52
4954327856genes___________ determines the function and shape of a protein53
4954327857primary structurewhich structure of proteins (primary, secondary, or tertiary) is the most important54
4954327858secondary structureprotein structure where hydrogen bonding causes regular folding along polypeptide backbone; beginning of 3-D55
4954327859tertiary structureprotein structure where hydrogen, covalent, and ionic bonding occurs between "2" groups; twists and folds56
4954327860hydrophobic; hydrophilicgo away from water; attracted to water57
4954327861quaternary structure2+ tertiary subunits that bond together58
4954327862enzymetype of protein that act as catalysts in metabolism; speed up chem. reactions59
4954327863activation energyEnzymes speed up chem. reactions by lowering the ...60
4954327864substratethe reactant on which an enzyme works; bind to enzyme61
4954327865temperature, pH, availability of enzymefactors that affect reactivity of an enzyme62
4954327866lipidcomposed of carbon, hydrogen, and a little oxygen -long-term energy storage, protect, act as reactants in metabolism, compose cell MEMBRANE63
4954327867fatty acidsMost lipids contain _______ ______. ("monomer" of lipids)64
4954327868saturated and unsaturated; saturatedfatty acids can be _________ and _____________; ___________ has more hydrogen and is more non-polar65
4954327869triglycerides, wax, steroids, phospholipids4 types of lipids66
4954327870triglyceridetype of lipid that can be oil (unsaturated fatty acids; liquid) and fat (saturated fatty acids; solid)67
4954327871waxtype of lipid that protects; waterproofs68
4954327872steroidtype of lipid that are reactants in metabolism (estrogen, testosterone); only lipid not made of fatty acids69
4954327873phospholipidtype of lipid that makes up cell membrane of every living thing; one end repels and one end attracts water70
4954327874nucleic acidcomposed of carbon, oxygen, hydrogen, nitrogen, and phosphorus; stores and transports genetic info71
4954327875nucleotidemonomer of nucleic acid72
4954327876RNA and DNApolymers of nucleic acid73
4954327877DNApolymer of nucleic acid that stores genetic info; double-stranded, sugar=deoxyribose, bases: thymine, guanine, cytosine, adenine74
4954327878RNApolymer of nucleic acid that transports genetic info to make protein; single-stranded, sugar is ribose, bases: adenine, uracil, cytosine, guanine75
4954327879carbon, hydrogen, oxygen, phosphorus, sulfur, nitrogen6 major elements of life76
4954327880denaturedan enzyme becomes __________ when conditions are changed77
4954327881carbonall organic compounds have the elements __________ and in them for the exception of some minerals and atmospheric gases78
4954327882carbon and hydrogenorganic compounds consist of _______ and _______ covalently bonded together79
4954327883smallest organic compoundmethane80
4954327884monomers, polymers, macromoleculesidentify the three main types of structures of Carbon Compounds81
4954327885polymercompounds made up of repeating linked monomers (linked covalently)82
49543278864 groups of carbon macromoleculeslipids, nucleic acids, carbs, and proteins83
4954327887condensation reaction and hydrolysis reaction2 chemical reactions of carbon compounds84
4954327888condensation reactionmonomers join to form polymers (covalently), water is formed (opposite of hydrolysis reaction)85
4954327889dehydration synthesisanother name for condensation reaction86
4954327890hydrolysis reactionpolymers are broken down into monomers (covalent bonds are broken) and water is lost (opposite of condensation reaction)87
4954327891functional groupsthe regions of organic molecules most commonly involved in chemical reactions88
4954327892functional groupwhat gives organic molecules their unique characteristics89
4954327893truetrue/false: functional groups remain behave consistently from organic molecule to the next90

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