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Biology Chapter 3 - Biochemistry Flashcards

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8498166262organic compoundmade primarily of carbon atoms0
8498166263functional groupclusters of atoms influencing the characteristic of most organic compounds1
8498166264monomerssimple molecules that build carbon compounds2
8498166265polymera molecule that consists of repeated linked units3
8498166266macromoleculeslarge polymers (carbohydrates, lipids, proteins, and nucleic acids)4
8498166267condensation reactionmonomers linked by a chemical reaction to form polymers and water5
8498166268hydrolysiswater is used to break down complex molecules such as polymers6
8498166269adenosine triphosphate (ATP)a high energy molecule found in every cell7
8498166270carbohydratean organic macromolecule composed of monosaccharides made of carbon, hydrogen, and oxygen with a 1C:2H:1O ratio (e.g. glycogen, starch, cellulose)8
8498166271monosaccharidetype of carbohydrate also known as a simple sugar9
8498166272disaccharidetwo monosaccharides combined to form a double sugar10
8498166273polysaccharidecomplex molecule composed of three or more monosaccharides11
8498166274proteinan organic macromolecule composed of carbon, hydrogen, oxygen, and nitrogen; formed by linking amino acids (e.g. enzymes, hair, and horns)12
8498166275amino acidsmonomers that link together to form proteins13
8498166276peptide bonda covalent bond created by two amino acids14
8498166277polypeptidesa long chain of amino acids15
8498166278substratethe reactant that is broken apart by an enzyme16
8498166279active sitethe part of the enzyme shaped to allow a substrate to attach to it17
8498166280lipidan organic macromolecule with a water loving glycerol head and water hating fatty acid tails (e.g. triglycerides, phospholipid, steroids, waxes, and pigments)18
8498166281fatty acidsunbranched carbon chains that make up most lipids19
8498166282triglyceridesthree molecules of fatty acids joined to one molecule of glycerol20
8498166283phospholipidtwo hydrophobic fatty acids attached to a hydrophilic molecule of glycerol; two layers of these makes up the cell membrane21
8498166284waxtype of structural lipid consisting of a long fatty acid chain joined to a long alcohol chain22
8498166285steroidcomposed of four fused carbon rings with various functional groups attached to them23
8498166286nucleic acidan organic macromolecule composed of nucleotides made of nitrogenous bases between sugar and phosphate group (e.g. DNA and RNA); store and transport important info24
8498166287deoxyribonucleic acid (DNA)contains information that determines the characteristic of an organism and directs its cell activities25
8498166288ribonucleic acid (RNA)stores and transfers information from DNA that is essential for the manufacturing of proteins26
8498166289nucleotidemade of three main components: a phosphate group, a 5 carbons sugar, and a ring shaped nitrogenous base27
8498166290enzymeRNA or protein molecules that act as biological catalysts; each one helps break down only on one specific substrate that fits into the folds of its active site; used over and over28
8498166291catalystreduce the activation energy needed in a reaction29

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