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Biology AP : Enzymes Flashcards

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4884929131MetabolismThis is the word to describe all of the chemical reactions in an organism.0
4884933748Anabolic ReactionThis is a type of reaction that needs energy. ( ex: endothermic, endergonic, and dehydration )1
4884944897Catabolic ReactionThis is a type of reaction that gives off energy. ( ex. hydrolysis, exothermic, and exergonic )2
4884998637+10 to -10What is the scale for metabolism?3
4885001935ThyroidWhich organ deals with metabolism?4
4885004807EnzymeThis speeds up chemical reactions.5
4885019015ShapeThe enzyme needs to be specific to a single reaction. What makes enzymes specific? Note that reactants must fit into the enzyme.6
4885046431The enzyme lowers the activation energy and increases the collisions between molecules.How do enzymes speed reactions up?7
4885081848The enzyme gets it's shape by the way it folds.How does the enzyme get it's shape?8
4885151098Kinetic EnergyThis is the energy of motion. ( Energy at work )9
4885153358Potential EnergyThis is stored energy. ( ex: energy in a CH bond )10
48851625631. Energy cannot be created or destroyed. 2. When you change the form of energy, you release heat. ( ex: potential to kinetic energy releases heat or entropy )Name the Two Laws of Thermodynamics.11
4885174038HeatThis is random energy. It is hard to grab or recycle. Over time, the earth becomes more random because this is random.12
4885259224It has a phosphate group, a ribose sugar, and an adenine.How does ATP resemble a nucleotide?13
4885307053The phosphates have high energy bonds because the negatives on the oxygen repel each other.Why is it so easy to break the bond between phosphates in an ATP?14
4885361976MitochondriaWhat organelle reassembles the ADP, phosphate, and energy into ATP?15
4885371686It uses energy from chopped CH bonds in sugars ( carbohydrates ).How does the mitochondria reassemble the ATP?16
4885382813You couple the endergonic reaction to hydrolysis of ATP.To do an endergonic reaction, you need energy. Where do you get the energy?17
4885417513The change in G ( free energy )What is the product minus the reactant?18
4885491766Activation EnergyThe minimum amount of energy required to start a chemical reaction.19
4885501137Free EnergyThis is energy that is available to do work.20
4885523826Free Energy Concentration EquilibriumWhat three things are not affected by the enzyme at all?21
4885538261Active SiteThis is the part of the enzyme that the reactant or substrate binds to.22
4885555639Induced FitWhen the substrate binds to the enzyme, the bind will twist a little to grip each other. What is this called?23
4885624771The reaction reverses and goes back and forth.When the amount of products and reactants become equal, the reaction does what?24
4885631311You can measure the amount of product being made or the reactant being used.How do we see how quickly the reaction is going?25
48856455781. temperature 2. pH 3. amount of substrateWhat are the three things that affect the rate of reaction?26
4885688148Transition StateThis is where all of the substrate is bound to an enzyme.27
4885729953Competitive InhibitorA substance that reduces the activity of an enzyme by entering the active site in place of the substrate whose structure it mimics.28
4885734763Noncompetitive InhibitorA substance that reduces the activity of an enzyme by binding to a location remote from the active site, changing its conformation so that it no longer binds to the substrate.29
4885747903Allosteric SiteA site on an enzyme other than the active site, to which a specific substance binds, thereby changing the shape and activity of the enzyme.30
4885767531ActivatorA protein that binds to DNA and stimulates transcription of a specific gene.31
4885770032InhibitorA substance that slows down or stops a chemical reaction.32
4885784827Metabolic PathwayA series of chemical reactions that either builds a complex molecule (anabolic pathway) or breaks down a complex molecule into simpler compounds (catabolic pathway).33

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