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Biochemistry Flashcards

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7640712335carbohydrate"Compound containing carbon, hydrogen, and oxygen in the approximate ratio of C:2H:O (e.g., sugars, starches, and cellulose)"0
7640712336pHa measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.1
7640712337compoundA pure substance made of two or more elements CHEMICALLY combined.2
7640712338moleculeA neutral group of atoms joined together by covalent bonds; smallest unit of a compound joined together3
7640712339cellBasic unit of life4
7640712340calorieAmount of energy needed to raise temperature 1 gram of water 1 degree C'; A unit of heat used to measure the energy your body uses and the energy it receives from food5
7640712341energyAbility to do work or cause change6
7640712342elementA pure substance made of only one kind of atom7
7640712343phosphate bonda high-energy chemical bond that is especially important between the 2nd and 3rd phosphate groups in an ATP molecule8
7640712344starchA storage polysaccharide in plants consisting entirely of glucose.9
7640712345organicCarbon-containing10
7640712346inorganicDoes not contain carbon; Not formed from living things or the remains of living things11
7640712347synthesisCombining of small molecules or substances into larger, more complex ones; A+B=AB12
7640712348proteinA macromolecule that contains the principal components of organisms: carbon, hydrogen, oxygen, and nitrogen; performs a variety of structural and regulatory functions for cells.13
7640712349energy storagecarbohydrates and lipids14
7640712351dehydration reactionA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.15
7640712352biological moleculechemical compounds that provide physical structure and bring about movement, energy use, and other cellular functions in a living organism16
7640712353active siteRegion of an enzyme into which a particular substrate fits.17
7640712355saturated fatA lipid made from fatty acids that have no double bonds between carbon atoms; A fat that is solid at room temperature and found in animal fats, lards, and dairy products.18
7640712356unsaturated fatA lipid made from fatty acids that have at least one double bond between carbon atoms; A fat that is liquid at room temperature and found in vegetable oils, nuts, and seeds.19
7640712357fatty acidBuilding Blocks of Lipids; substances produced when fats are digested; simple forms of fat that supply energy fuel for most of the body's cells; unbranched carbon chains that make up most lipids20
7640712358steroidsA type of lipid characterized by a carbon skeleton consisting of four rings with various functional groups attached.21
7640712359exothermic reactionA reaction that releases energy in the form of heat22
7640712360endothermic reactionA reaction that ABSORBS energy in the form of heat23
7640712361fructase-ase suffix Most enzymes end in "-ase" suffix, but not all enzymes. Some enzymes were named prior to the adoption of this process; "ose" turns to "ase" after decomposition reactions; structural -- what gives a macromolecule its shape [chitin]24
7640712362"ose"used in biochemistry to form the names of sugars25
7640712363chemical structureThe way atoms in a compound are bonded it represents the structure of a compound.26
7640712364covalent bondA chemical bond that involves sharing a pair of electrons between atoms in a molecule27
7640712365ionic bondFormed when one or more electrons are transferred from one atom to another28
7640712366polar moleculeMolecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end29
7640712367hydrogen bondA type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule.30
7640712368biochemicalThe changing of organic matter into other chemical forms such as fuels.31
7640712370catalyst(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected32
7640712371enzymeA type of protein that speeds up a chemical reaction in a living thing33
7640712373polymerA long molecule consisting of many similar or identical monomers linked together.34
7640712374monomersmall chemical unit that makes up a polymer35
7640712375polysaccharideA polymer of thousands of simple sugars formed by dehydration synthesis; Carbohydrates that are made up of more than two monosaccharides36
7640712376disaccharideA double sugar molecule made of two monosaccharides bonded together through dehydration synthesis.37
7640712377monosacchridesingle sugar molecule38
7640712378fructoseA monosaccharide found predominantly in fruit and honey39
7640712379celluloseA large polysaccharide composed of many glucose monomers linked into cable-like fibrils that provide structural support in plant cell walls.40
7640712380lipidEnergy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.41
7640712381nucleotideA building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.42
7640712382amino acidBuilding blocks of protein43
7640712383nucleic acid(biochemistry) any of various macromolecules composed of nucleotid chains that are vital constituents of all living cells44
7640712384peptideThe chemical bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid45
7640712385triglycerideComposed of three molecules of fatty acids joined to one molecule of glycerol46
7640712386dehydration synthesisA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.47
7640712387glycerolA three-carbon alcohol to which fatty acids are covalently bonded to make fats and oils.48
7640712388phospholipidA molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail. Phosphate replaces one fatty acid in Triglyceride49
7640712389maltosea 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)50
7640712390cyclicoccurring in cycles; regularly repeated51
7640712392hydrolysisA chemical reaction that breaks bonds between two molecules by the addition of water; functions in disassembly of polymers to monomers.52
7640712393sucroseA disaccharide made of glucose + fructose; Table sugar53
7640712394glycogenA highly branched polymer of glucose containing thousands of subunits; functions as a compact store of glucose molecules in liver and muscle fibers54
7640712395hexosescarbohydrates with six carbon atoms55
7642592352Parts of Amino AcidAmine Group, R-Group, Carboxylic Acid56
7642595133Removed during dehydration synthesis?Water57
7642597146Categories of Proteins4 (Primary, Secondary, Tertiary, Quaternary)58
7642602288Long coiled polypeptide chainAlpha Helix59
7642604441Example of Functional ProteinEnzyme, Hormones60
7642607640Example of Structural ProteinHair, Nails, Skin61
7642609624What is Hyperglycemia?more than 0.1% of blood sugar level62
7642613285What is Hypoglycemia?less than 0.1% of blood sugar level63
7642616814Prosthetic GroupA group added to a protein64
7642621446DenaturationProcess where protein structure disrupted (ex. heat, acid, base)65
7642626852# of Amino Acids?20 (9 essential, 11 non-essential)66
7642650921Triglyceride3 saturated fatty acids & 1 glycerol67
7642656898What are soaps/detergents?Emulsifiers68
7642659882Basic Unit of Nucleic AcidNucleotide69
76426617323 Main Properties of waterTemp. Regulator, Lubricant (Synovial Fluid), Universal Solvent70
7642670702IntermolecularBonds Between Molecules71
7642672526IntramolecularBonds Within Molecules72
7642694184BufferSubstance that can absorb excess H or OH73
7642696861SaltProduct of Acid + Base74
7679058930NeutralizationAcid Base reaction75
7679083768GlycerolC3H8O376
7679122353EsterOxygen bond in Disaccharide (glycosidic bond) and Triglyceride77
7679145547Peptide BondBond between Synthesis of Amino Acids78

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