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Enzyme

Enzyme Lab

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Nick Kissel Enzyme Lab 5 November 2012 Enzyme Concentration: Hypothesis: If the amount of enzymes were to increase, then more substrates will convert. Conclusion: The substrates were converted faster when there was a higher enzyme concentration. Amount of Enzymes Number of Converted Substrates after 20 Seconds 1 6 2 7 3 10 4 11 5 12 6 15 7 17 8 18 9 18 10 22 Graph 1: This graph shows the trend that when the amount of enzymes increases, so does the number of converted substrates. Substrate Concentration: Hypothesis: If the amount of substrates were to increase, then more substrates will convert. Conclusion: Spheres converted faster when there was a higher substrate concentration. Substrate Concentration

Chapter 7: Vitamins

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Chapter 7 Vitamins The Nature of Vitamins A. Definition - Vitamins are organic substances needed by the body in small amounts for normal metabolism, growth and maintenance - Coenzymes are substances that activate enzymes - do not provide energy B. Classification - major distinguishing characteristic of vitamins are their solubility in either fat or water - measured in micrograms C. Fat Soluble Vitamins - are absorbed from the intestine in the same way as fats, and like fats they can be stored in the same way - A, D, E, K - toxicity from vitamin A and D can be fatal D. Water Soluble Vitamins - B vitamins and C ? less stable to environmental influences; only B12 stored for any length of time Vitamin A A. Forms - necessary for vision

Enzyme Lab

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Enzymes Andy Giang AP Biology Period 4 Background What is an enzyme? Enzymes are catalyst proteins used to speed up reactions in the body. Enzymes have a globular shape with a quaternary protein structure. Each enzyme has a specific shape, which determines its specific function. Every enzyme has specific substances it works with called substrates. Enzymes have active sites where it can bond with substrates and convert them into desired products How does an enzyme work? Enzymes go through a process to convert substrates into products. First, the enzyme binds the substrate at the active site and closes in make an induced fit. Then the substrates get converted into

Lab 2 Enzyme Catalase

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---Extracted text from past/bio_hypothesis_lab_2_michael.docx---
Conclusion Activity A: Hypothesis: If hydrogen peroxide is introduced to catalase, then the rate at which the decomposition of by catalase will increase because enzymes are proteins that catalyze chemical reactions. Decomposition of hydrogen peroxide is a chemical reaction, therefore, its rate will increase because, after all, catalase is an enzyme. Activity B:

Ground Rules of Metabolism

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Growing Old with Molecular Mayhem A. The enzymes superoxide dismutase and catalase work together to rid the body’s cells of damaging free radicals. B.As people age, their capacity to produce functional enzymes begins to falter. I. Energy and the Underlying Organization of Life A. Defining Energy 1.Potential energy is the capacity to make things happen, to do work; it can also be called chemical energy, measured in kilocalories. 2.Kinetic energy is the energy of motion; it includes heat energy. 3.Metabolism refers to the cell’s capacity to acquire energy and use it to build, store, break apart, and eliminate substances in controlled ways. B. How Much Energy Is Available?

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