was designed to investigate the effects of temperature on reactions between the enzyme catalase found in animal tissue with the substrate H2O2. The hypothesis stated that an increase in the temperature of the substrate would create a subsequent increase in the rate of reaction between the enzyme and the substrate. This hypothesis was tested by immersing 1cm cubes of animal tissue (sheep liver) which contained the enzyme catalase into the substrate (H2O2 ) mixed with detergent which foamed showing a
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John Gross PHIL 102 1. Utilitarianism is moral theory that tries to lay a set of rules that you should follow to achieve the most good or pleasure from any one act. Two popular proponents of this systems are philosophers by the name of Jeremy Bentham and James Mill. They both have different ideas for how one should go about the use of utilitarianism to achieve the greatest happiness. Bentham’s approach is often called quantitative utilitarianism in which Bentham came up with an idea called
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Chavez Period 1‚ Bio Acc. Mrs. Petrov October 1‚ 2014 Tyrosinase Enzyme Lab Question What are enzymes and how can we cause changes in enzyme function? Objective The objective of this experiment is to observe if changes in temperature will cause a disruption in enzyme function. Hypothesis If we add and boil enzyme in L-Dopa‚ then the color will become darker because the temperature will denature some of the enzymes. Variables Independent: Temperature Dependent: Color change Control:
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Virtual Lab: Enzyme Controlled Reactions Worksheet 1. Which of the following does NOT apply to an enzyme: Inorganic 2. When an enzyme catalyzes a reaction: Substrate(s) bind in the active site 3. Which of the following would interfere most with the ability of an enzyme to catalyze a reaction? Reduced concentration of substrate available 4. Feedback mechanisms regulate the rate of enzyme activity‚ effectively “turning off” an enzyme in a
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CHAPTER 23 Circulation Chapter Objectives Opening Essay Describe the adaptations of giraffes and humans to circulate blood against the pull of gravity. Circulatory Systems 23.1 23.1 23.2 Describe the general functions of a circulatory system. Compare the structures and functions of gastrovascular cavities‚ open circulatory systems‚ and closed circulatory systems. Compare the cardiovascular systems of a fish‚ an amphibian‚ a reptile‚ a bird‚ and a mammal. The Human Cardiovascular System
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DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
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In biology species can become isolated from other species through a number of processes. These isolation processes keep the two species from interbreeding and producing hybrid offspring. There are five separate isolation processes that prevent two species capable of producing offspring from being able to do so. Ecological Isolation Ecological‚ or habitat‚ isolation is when two species that could interbreed do not because the species live in different areas. For example‚ in the wild of India both
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Aerobic Respiration Breaking down glucose to release energy Products are Carbon dioxide and water Diffusion is … the movement of molecules from a region of high concentration to a low concentration until the concentration is equal. Role of a human circulatory system: Diffuse In – oxygen (O2)‚ dissolved food (glucose) and water (H2O) Diffuse Out – carbon dioxide (CO2)‚waste and water(H2O) Respiration – releasing energy in cells Breathing – getting air into and out of your body
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Pre-Lab 1 Assignment Quantitative Analysis of Biomolecules Biochemical analysis involves the characterization of biomolecules within a sample using appropriate laboratory techniques. There are two principal approaches: 1. Qualitative analysis – where a sample is analyzed to determine whether a biomolecule is present or absent. As an example‚ a blood sample might be analyzed for a specific antibody or a bacterial cell might be probed for a nucleic acid sequence. 2. Quantitative analysis
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Biology Worksheet Name ________ Chapter 11.1 Period _____ Section 11.1 The Work of Gregor Mendel Matching. Select the letter in front of the term that matches the statement. Type the “upper case” letter in the “answer” column. Use red font color. Q Term Answer Statement 1. A. Allele Process in sexual reproduction in which male and female reproductive cells join to produce a new cell. 2. B. Fertilization A specific characteristic of an individual. 3. C. Gamete One
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