'Substrate molecules' diaporamas de présentation

BSC1010C Final Lab Practical Review

Click on enter to see the answer. C lick enter again to move to next slide. BSC1010C Final Lab Practical Review. What was the substrate in the enzyme experiment?. Hydrogen Peroxide (H 2 O 2 ). What was the enzyme in the enzyme experiment?. catalase.

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Energy, Enzymes, and Metabolism

Energy, Enzymes, and Metabolism. 6 Energy, Enzymes, and Metabolism. 6.1 What Physical Principles Underlie Biological Energy Transformations? 6.2 What Is the Role of ATP in Biochemical Energetics? 6.3 What Are Enzymes? 6.4 How Do Enzymes Work? 6.5 How Are Enzyme Activities Regulated?.

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Outline

Outline. 19.1 Catalysis by Enzymes 19.2 Enzyme Cofactors 19.3 Enzyme Classification 19.4 How Enzymes Work 19.5 Effect of Concentration on Enzyme Activity 19.6 Effect of Temperature and pH on Enzyme Activity 19.7 Enzyme Regulation: Feedback and Allosteric Control

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Enzymes

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MENU OF THE DAY

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Maintaining a Balance Topic 1: Enzymes and Metabolis m

Maintaining a Balance Topic 1: Enzymes and Metabolis m. Biology in Focus, HSC Course Glenda Childrawi , Margaret Robson and Stephanie Hollis. DOT POINT.

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CELLS @ WORK

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Quick Quiz Recap

Quick Quiz Recap. What is the definition of osmosis? What is the difference between osmosis and diffusion? How is a red blood cell adapted for its job? Where does protein synthesis occur? Where does respiration occur? What is respiration? What is the job of the cell wall?

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First Five

First Five. Define and give an example of: Carbohydrate Lipid Protein Nucleic Acid. Enzymes. Major Characteristics of Enzymes. Enzymes are special proteins present in the cytoplasm of all cells They help speed up the chemical reactions in cells

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Structure of Enzymes:

Structure of Enzymes:. All enzymes are tertiary globular proteins, where the protein chain is folded back on itself into a spherical or globular shape. Each enzyme has its own sequence of amino acids and is held in its tertiary structure by hydrogen bonds, disulfide bridges and ionic bonds.

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Energy In Reactions

Energy In Reactions. Energy is released or absorbed whenever chemical bonds are formed or broken. Because chemical reactions involve breaking and forming of bonds, they involve changes in energy. Catalyst. A catalyst is a substance that speeds up the rate of a chemical reaction.

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Potential Energy (E P ) : Energy that is stored , either as energy of

Enzymes and Energy Transfer. There are three types of energy in the universe. Potential Energy (E P ) : Energy that is stored , either as energy of position, or chemical energy. Ex; Energy stored in a stretched rubber Band (position energy ) or in the food that

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METABOLISM

METABOLISM. The concept of metabolism. Metabolism = all the chemical reactions taken place inside the living organisms Metabolic reactions produce different life processes, e.g. photosynthesis respiration movement growth reproduction. Types of metabolism. Catabolism :

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What are the factors affecting Enzyme Activity?

What are the factors affecting Enzyme Activity?. Recap. What are enzymes?. Biological catalysts made up of proteins. Function of Enzymes.

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What are the factors affecting Enzyme Activity?

What are the factors affecting Enzyme Activity?. Recap. What are enzymes?. Biological catalysts made up of proteins. Function of Enzymes.

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Enzymes

Enzymes. Enzymes are complex chemicals that control reactions in living cells. They are biochemical catalysts speeding up reactions that would otherwise happen too slowly. The chemical which an enzyme works on is called its substrate .

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Modes of Enzymatic Catalysis

Modes of Enzymatic Catalysis. _________________ modes General _______________ Catalysis __________________ Catalysis ___________________ modes ______________________ Effects __________________________________. 1. Chemical Modes of Catalysis. A. General Acid-Base Catalysis.

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Enzymes Part 2

Enzymes Part 2. Factors that affect enzyme activity. Enzymes Review. Proteins Biological catalysts Speed up a chemical reaction without being used up in the reaction. Lower the activation energy of the reactants. Enzymes fit with their substrate like a lock and key.

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