'Enzyme substrate complex' diaporamas de présentation

1 st Semester Exam in Advanced Placement Biology

1 st Semester Exam in Advanced Placement Biology.

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Enzyme kinetics and associated reactor design: Determination of the kinetic parameters of

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Temperature

Temperature. (I will focus on Adaptation of Enzymes). Outline. (1) Physical and Physiogical Effects of Temperature (Q 10 ) (2) Evolution of Enzyme Function. Physical Forces in the Environment.

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Enzymes

Enzymes. Biologic Catalyst. Enzymes are neither consumed nor produce during the course of a RXN They greatly enhances the rate of reaction that would proceed much slower in their absence

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Chemistry 121(01) Winter 2009

Introduction to Organic Chemistry and Biochemistry Instructor Dr. Upali Siriwardane (Ph.D. Ohio State) E-mail: upali@chem.latech.edu Office : 311 Carson Taylor Hall ; Phone: 318-257-4941; Office Hours : MTW 9:00 am - 11:00 am; TR 9:00 - 10:00 am & 1:00-2:00 pm.

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Chemistry of life

Chemistry of life. Chapter 2. Lesson 1. Basic Chemistry. DO NOW. Define, in your own words: Atom Element Proton Neutron Electron. Elements and Atoms. All matter is made up of substances called elements. Only 92 naturally occurring elements Body is composed of only a few elements

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Enzymes

Enzymes. Proteins that make reactions happen. Metabolism. Metabolism : the complete set of chemical reactions occurring in cells Anabolism : using energy to build macromolecules Catabolism : releasing energy by the enzymatic breakdown of macromolecules

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Enzymes! (What are they good for?)

Enzymes! (What are they good for?). Essential Questions: What is an enzyme? How do enzymes work? What are the properties of enzymes? How do they maintain homeostasis for the body?. What do YOU know about enzymes?. What are Enzymes?.

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Chemical Reactions

Chemical Reactions. 6.2. Chemical Reactions allow living things to grow, develop, reproduce, and adapt. Is this a chemical reaction?. What makes it a chemical reaction?. Atoms or groups of atoms in substances are reorganized into different substances. Fe + O 2 -> Fe 2 O 3 Iron Oxide.

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Chapter 6

Chapter 6. Enzymes. Metabolic Reactions. Metabolism All the reactions that happen in the cell Reactions have two sides What goes into the reaction ? Reactants What comes out of the reaction ? Products Reactants ? Products A + B ? C + D. Metabolic Pathways.

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Lecture 3: Factors affecting enzyme activity: [substrate] and inhibitors

Lecture 3: Factors affecting enzyme activity: [substrate] and inhibitors. How can we mathematically describe catalysis?. Lets start with a relatively simple scheme: (1) enzyme (E) binds substrate (S), forming an enzyme-substrate complex (ES)

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ENZYMES

ENZYMES. WHAT IS AN ENZYME. ENZYMES are proteins that act as a biological catalyst CATALYSTS increase the rate of a chemical reaction without being CONSUMED by that reaction. WHAT IS AN ENZYME. REMEMBER our 4 MACROMOLECULES: Carbohydrates Lipids Proteins Nucleic acids

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Enzymes 2-4

Enzymes 2-4. Chemical Reaction. A process that transforms one set of chemicals into another. Reactant. The elements or compounds that enter into a chemical reaction. Product. The elements or compounds produced by a chemical reaction. Activation Energy.

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Factors Influencing Enzyme Action

Substrate. Substrate. Factors Influencing Enzyme Action. Active site. Active site. Enzyme-substrate complex. Enzyme-substrate complex. Enzyme. Enzyme. Enzyme reactions. enzyme + substrate. enzyme + products. enzyme-substrate complex. Factors that affect enzyme rates of reaction.

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5.2 Enzymes and Metabolic Pathways

UNIT A. Chapter 5: Metabolism: Energy and Enzymes. Section 5.2. Many chemical reactions in the cell are linked in metabolic pathways .

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Macromolecules

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Enzymes

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Enzymes

Enzymes. t eeny, tiny m olecular m achines that can do everything- more efficiently Energy of activation, substrate, enzyme substrate complex, Lock and key model, active site. Enzymes. Catalyst. Sensitivity pH, Temp, Heat, Salt. Lowers the energy of activation of a chemical reaction.

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p. 53 A.Q. 1ab, 3abc

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SWBAT: understand how temperature affects enzyme activity

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