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AP Biology Unit 1 Vocabulary Review Flashcards

A review of all of the Campbell 7th Edition terms for the new 2013 AP Biology Curriculum

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5216002031polarMolecule with partial charges. Mixes with water.0
5216002032nonpolarNo partial charges. Do not mix with water.1
5216002033electronegativityAttraction of an atom for electrons in a covalent bond.2
5216002034cohesionWater molecules sticking to each other.3
5216002035adhesionWater molecules sticking to other surfaces.4
5216002036soluteSomething dissolved in a solution.5
5216002037solventDissolving agent of a solution.6
5216002038isomersSame atoms but different arrangement.7
5216002039structural isomersDiffer in arrangement of atoms.8
5216002040geometric isomerDiffer in arrangement around a double bond.9
5216002041enantiomersStructures that are like a mirror-image.10
5216002042alpha glucoseMonomer for starch and glycogen.11
5216002043beta glucoseMonomer for cellulose and chitin.12
5216002044celluloseCarbohydrate component of plant cell walls.13
5216002045starchStorage polysaccharide of plants.14
5216002046glycogenExtremely branched polymer of glucose.15
5216002047chitinPolysaccharide found in arthropod exoskeletons and fungal cell walls.16
5216002048-oseSuffix of a sugar.17
5216002049Triglyceride (tryiacylglycerol)fat molecules composed of three parts fatty acids and one part glycerol18
5216002050steroidsMade of four rings of carbon. Lipids that act as chemical messengers19
5216002051cholesterolSteroid common in cell membranes, also in many hormones.20
5216002052peptide bondBonds that connect amino acids.21
5216002053disulphide bridgesReinforce tertiary structure.22
5216002054primary structureOrder of amino acids in a protein.23
5216002055secondary structureThree-dimensional form of segments of protein. Examples are alpha helix or beta pleated sheet.24
5216002056tertiary structureThree-dimensional structure of a single polypeptide chain.25
5216002057quaternary structureThree-dimensional structure of proteins made of multiple polypeptide subunits.26
5216002058purinesBases with a double-ring structure. Adenine & Guanine27
5216002059pyrimidinesBases with a single-ring structure. thymine and cytosine28
5216002060phosphodiester bondsBonds between phosphate group and pentose sugar in nucleic acids.29
5216002061synthesisTo put together.30
5216002062digestionTo break apart.31
5216002063dehydration synthesisCondensation reaction where molecules are connected by loss of a water molecule.32
5216002064hydrolysisReaction where water split into two hydrogens and one oxygen; this breaks a polymer.33
5216002065anabolismMetabolic pathways that construct molecules, requiring energy.34
5216002066catabolismMetabolic pathways that break down molecules, releasing energy.35
5216002067transport proteinA membrane protein, specifically a transport protein, that has a hydrophilic channel that certain molecules or atomic ions use as a tunnel.36
5216002068channel proteinA membrane protein, specifically a transport protein, that has a hydrophilic channel that certain molecules or atomic ions use as a tunnel.37
5216002069aquaporinA membrane protein, specifically a transport protein, that facilitates the passage of water through channel proteins.38
5216002070carrier proteinA membrane protein, specifically a transport protein, that holds onto molecules and changes their shapes in a way that shuttles them across the membrane.39
5216002071protein kinaseThe enzyme that transfers phosphate groups from ATP to protein.40
5216002072ATP (adenosine triphosphate)Composed of a sugar ribose, nitrogenous base adenine, and a chain of three phosphate groups bonded to it.41
5216002073phosphorylationThe metabolic process of introducing a phosphate group into an organic molecule.42
5216002074catalystA chemical agent that speeds up a reaction without being consumed by the reaction.43
5216002075enzymeA catalytic protein. Speeds up reactions44
5216002076activation energyThe amount of energy needed to push the reactants over an energy barrier.45
5216002077enzyme-substrate complexWhen an enzyme binds to its substrate, it forms:46
5216002078active siteA pocket or groove on the surface of the enzyme.47
5216002079induced fitBrings chemical groups of the active site into positions that enhance their ability to catalyze the chemical reaction.48
5216002080cofactorNon-protein helpers that may be bound tightly to the enzyme as a permanent resident, or may bind loosely and reversibly along with the substrate.49
5216002081coenzymeIf the cofactor is an organic molecule.50
5216002082competitive inhibitorsReduce the productivity of enzymes by blocking substrates from entering active sites.51
5216002083noncompetitive inhibitorsImpede enzymatic reactions by binding to another part of the enzyme (other than the active site).52
5216002084allosteric regulationWhen a protein's function at one site is affected by the binding of a regulatory molecule to a separate site.53
5216002085cooperativityIt amplifies the response of enzymes to substrates.54
5216002086feedback inhibitionA metabolic pathway is switched off by the inhibitory binding of its end product to an enzyme that acts early in the pathway.55
5216002087hydrophilicwater-loving56
5216002088hydrophobicWater fearing57
5216002089surface tensionA measure of how difficult it is to stretch or break the surface of a liquid. Water has a high surface tension because of the hydrogen bonding of surface molecules. The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together58
5216002090capillary actionA proccess powered by adhesion that causes water molecules to move upward through a narrow tube such as the stem of a plant.59
5216002091functional groupthe portion of a molecule that is active in a chemical reaction and that determines the properties of many organic compounds60
5216002092hydroxyl group61
5216002093carboxyl group62
5216002094amino group63
5216002095phsophate64
5216002096methyl65
5216002097saturated fatA lipid made from fatty acids that have no double bonds between carbon atoms and is solid at room temperature.66
5216002098unsaturated fatA fat derived from plant and some animal sources, especially fish, that is liquid at room temperature and whose fatty acid chains contain at least one double bond.67
5216002099phospholipidA molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail.68
5216002100denaturedAn uncoiled, or unraveled protein, the protein has lost its shape due to high temperatures or strong chemicals, its weak bonds have broken and the protein cannot perform its job, since it no longer "fits" with other molecules69
5235641909Enzymes are part which macromolecule group?Proteins70
5235648167Enzymes make products from reactants. Reactants that work with enzymes are called...substrates71
5235650935Where does a substrate bind to an enzyme?active site72
5235658461What is not a way enzymes work to speed up reactions?Enzymes remove their own H & OH to give water to reactions73
5235661345Enzymes rate of production can be affected by all the below exceptConcentration of nutrients74
5235664948An enzyme is denatured when...It's shape has changed75
5235668429There are two ways to describe data collected, observations are ...... and measurements are ...Qualitative....Quantitative76
5235671175Which of the following statements correctly describe(s) catabolic pathways?They release energy as they degrade polymers to monomers77
5235673997Which of the following is true for all exergonic reactions?The reaction proceeds with a net release of free energy78
5235679565Which of the following underlie all types of enzyme regulation?Changes in the active site of the enzyme Changes in the activation energy of the reaction79
5235686035How does a non-competitive inhibitor decrease the rate of an enzyme reaction?By changing the structure of the enzyme80

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