'Factors affecting enzyme activity' presentation slideshows

Enzyme Catalysis

Enzyme Catalysis. Prof. Dr. Supartono, M.S Postgraduate Semarang University State. Objective. To understand how enzymes work at the molecular level. Ultimately requires total structure determination, but can learn much through biochemical analysis. To Be Explained. Specificity

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Chapter 10

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ENZYMES

ENZYMES. ENZYMES are biological catalyst are mostly proteinaceous in nature, but RNA was an early biocatalyst are powerful and highly specific catalysts. carbonic anhydrase. Many enzymes require co-factor for activity. Apoenzyme + co-factor = holoenzyme. NOMENCLATURE:

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Enzymes

Enzymes. GENERAL FEATURES Enzymes are biological catalysts that speed up biochemical reactions. GENERAL FEATURES Enzymes are biological catalysts that speed up biochemical reactions. They: a) do not alter the ?G of the reaction they catalyse but.....

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Outline

Outline. Forms of Energy Laws of Thermodynamics Metabolic Reactions ATP Metabolic Pathways Energy of Activation Enzymes Photosynthesis Cellular Respiration. Forms of Energy. Kinetic : Energy of motion Mechanical Potential : Stored energy Chemical. Flow of Energy.

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Biochemistry

Biochemistry. Macromolecules. Giant molecules made from thousands of smaller molecules Formed by polymerization. Polymerization . The construction of larger compounds by joining (bonding) smaller compounds together. Monomers=smaller compounds Polymers=collection of smaller compounds.

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Energy and Metabolism

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Energy and Metabolism

Energy and Metabolism. Chapter 8. Outline. Flow of Energy in Living Things Laws of Thermodynamics Free Energy Activation Energy Enzymes Forms Activity ATP Biochemical Pathways. Flow of Energy in Living Things. Energy - the capacity to do work kinetic - energy of motion

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Digestion Lab

Digestion Lab. Experiment #1: Carbohydrate Digestion. Tube 1 3 ml water Tube 2 3 ml 0.2% amylase Tube 3 3 ml 0.2% amylase + 10 drops of 1.0M HCl Tube 4 3 ml 0.2% amylase place in hot water bath for 5 min. 4. 2. 3. 1. 4. 4. 4. 2. 2. 2. 3. 3. 3. 1. 1. 1.

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Maintaining a Balance

Maintaining a Balance. HSC Course Core Topic 1 - Factors Affecting Activity of Enzymes. Enzyme activity. How fast an enzyme is working = Rate of Reaction. Rate of Reaction = Amount of substrate changed (or amount product formed) in a given period of time. Enzyme activity.

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Enzymes

Enzymes. Enzymes, substrates and active sites. Enzymes are globular proteins that work as catalysts Substrates are the substances that enzymes convert into products during metabolic reactions.

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Enzymes

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Enzymes and Metabolism

Enzymes and Metabolism. Chapter 4. Chemical Reactions. First Law of Thermodynamics Matter and energy cannot be created or destroyed, but can be converted from one form to another Second Law of Thermodynamics

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Please Take out the Following

Please Take out the Following. Pencil Science Journal Agendas Macromolecules Worksheet (Pass it forward if you have not done so already). Plan for the week. Science Question of the Day.

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First Five

First Five. Explain the meaning of the following terms: enzyme substrate product active site denatured. What are Enzymes?. Globular proteins that act as biological catalysts to increase reactions rates Catalysts: substances that speed up reactions w/o being consumed

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-proteins -"ase" ending for most enzymes -acts on substance called a"substrate"

ENZYMES. -proteins -"ase" ending for most enzymes -acts on substance called a"substrate" -nearly all body reactions catalyzed by enzymes. -up to 3000/cell. Role of Enzymes in Biochemical Reactions. Enzyme Characteristics:

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Proteins and Nucleic Acids

Proteins and Nucleic Acids. Amino acids are the building blocks of proteins. Side chains (R groups) give amino acids their various properties (polar, nonpolar) Amino acids combine to form polypeptides (polymers) via loss of ____ molecules.

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Enzymes

Enzymes. Most enzymes are globular proteins. Active site: the region of an enzyme surface to which a specific set of substrates binds. Substrate : ( the reactant ) a molecule upon which an enzyme acts. A substrate molecule must fit precisely into an active site.

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Enzymes

Enzymes. Lab Section 2.4. Enzymes. Protein catalysts Have complex 3-D structures Pockets act as active sites catalyze specific chemical reactions. Fig 2.8, p. 7. E + S ? E-S Complex ? E + P. Factors Affecting Enzyme Activity. Concentration of Enzyme Concentration of Substrate

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Metabolism

259 views • 9 slides