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Energy and Life - Chap 5

Correlated to Biology: Visualizing Life - Holt. Chapter 5

Products have more energy than the reactantsresult of a chemical reaction that absorbs energy
Products have less energy than that of the reactantsresult of a chemical reaction that releases energy
activation energyenergy needed to start a chemical reaction
enzymeproteins that can speed up chemical reactions
catalystgeneral name for a chemical that can make a reaction go faster
metabolismchemical reactions in an organism
substratea molecule that an enzyme changes
active sitethe fold, area on an enzyme that the substrate attaches
heat, acidity, concentrationfactors that affect an enzyme's activity
ATPenergy storage molecule
ADP and phosphate groupresult the release of energy from ATP
growth, repair, transportactivities that require energy
phosphate bondlocation of where energy is stored in ATP
plants use the sun's energy to do thisproduce carbohydrates
carbohydrates from plants provide other organisms with thisenergy
molecule excited by lightchlorphyll
Role of ATP and NADPH in photosynthesispower stage 3, the building of carbohydrates in the Calvin Cycle
Carbon dioxide and waterthe reactants needed in photosynthesis to make carbohydrates
electronsparticles passed from one molecule to another in order to transfer energy
carbohydrates (glucose) and oxygenmajor product of photosynthesis
watersupplies the replacement electrons in photosynthesis
C, H, O, N, Pelements involved in photosynthesis
what molecule enters the Krebs cycle that will end up in sugarcarbon dioxide
Where does the Hydrogen come from that ends up in sugar?water splitting
glycolyisthe 1st stage in cellular respiration
products of cellular respirationwater, carbon dioxide, and ATP
mitochondriaorganelle where oxidative respiration takes place
chloroplastorganelle where photosynthesis takes place
result of glycolysisglucose split into pyruvic acid
amount of energy gained in glycolysis2 ATP molecules
breakdown of organic compounds in the absence of oxygenfermentation
ethyl alcohol and carbon dioxideend products of fermentation by yeast
lactic acidthe end products of fermentation by humans
feedback inhibitioncontrols the rate of metabolism in organisms
oxidative respirationstage of respiration that generates the MOST ATP
Krebs Cyclepyruvic acid enters this stage of cellular respiration to generate more ATP
NADHmolecule used to transfer electrons to the electron transport chain
reason we don't burn up from releasing energy from glucoseenergy is released in small packets
number of ATP produced iin oxidative respiration36 ATP molecules
purpose of cellular respirationprovide energy to the cell using the energy stored in glucose

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