Assignment 1 – PAPER #1; PHOTOSYNTHESIS AND CELLULAR RESPIRATION Name: Melvin G. Abramson SCI 115 – Essentials of Biology Professor: Casey Bethel Date: May 1st‚ 2012 Photosynthesis is the progression of translating light energy to chemical energy and storing it in the acquaintance of sugar. This process occurs in plants and some algae. Photosynthesis takes place in the chloroplasts‚ distinctively using chlorophyll‚ the green pigment implicated in photosynthesis
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956 IB COMPUTER SCIENCE SL This course will introduce students to the field of computer science. Topics covered include computer and network organization‚ system fundamentals‚ computational thinking and problem-solving. The social and ethical implications of computer systems will be addressed as well as one topic from databases‚ web-programming‚ simulations or OOP programming. Students are required to develop a project and the associated documentation that solves a real-world problem of their
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molecule is found at the beginning of acetyl co-A formation? 7. a. How is pyruvic acid changed to acetyl co-A? b. When pyruvic acid is changed to acetyl co-A‚ is it being oxidized or reduced? 8. Summarize all of the important products (and their quantities) yielded after one pyruvic acid molecule “leaves” glycolysis and goes through the acetyl co-A formation stage. 9. What is another name for the Krebs cycle? Citric acid cycle 10. How is the 6-carbon molecule (citrate) created within the Krebs cycle
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Buffers‚ and pH‚ and Diffusion oh my The pH of a solution is the measure of the concentration of charged Hydrogen ions in that given solution. A solution with a pH lower than seven is considered to be acidic. A solution with a higher pH is a base. It is very important for organisms to maintain a stable pH. Biological molecules such as proteins function only at a certain pH level and any changes in pH can result in them not functioning properly. To maintain these constant pH levels‚ buffer solutions
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Cellular Respiration Worksheet 1. What are the 3 phases of the cellular respiration process? Glycolysis‚ Krebs Cycle‚ Electron Transport 2. Where in the cell does the glycolysis part of cellular respiration occur? in the cytoplasm 3. Where in the cell does the Krebs (Citric Acid) cycle part of cellular respiration occur? in the mitochondria 4. Where in the cell does the electron transport part of cellular respiration occur? in the mitochondria 5. How many ATP (net)are
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membrane. It always navigates to the area of the membrane with a higher solute concentration. We take a closer look at the effects of osmosis in this lab through the examination of red blood cells (sheep)‚ plant cells (elodea)‚ and active transport in yeast. Under the microscope‚ we can determine the effects on plant and animal cells exposed to hypotonic‚ hypertonic‚ and isotonic sodium chloride solutions. Plant cells have a cell wall; however‚ animal cells do not. This is examined as a major difference
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OF INVERTASE FROM YEAST AND EFFECT OF pH ON ENZYMATIC ACTIVITY Jenelle C. Faustino‚ John Gambit B. Garcia‚ Fatima S. Jusay‚ Oliver Alexander B. Lao and Eunice L. Licudine Group 4 2 E Medical Technology Biochemistry Laboratory ABSTRACT Enzymes are substances that are produced by living organisms and act as catalysts in order to speed up or chance a chemical reaction without changing itself at the end of the reaction. Invertase was extracted first from baker’s yeast. Determination of
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References | PAGE | 1.0 Introduction Respiration usually occurs in two ways‚ aerobically and anaerobically. Aerobic respiration uses oxygen to function and anaerobic respiration functions without oxygen. Generally‚ anaerobic respiration starts by breaking down the molecules of glucose and produces pyruvic acid. The pyruvic acid then undergoes fermentation to produce ATP‚ the basic energy source in our human body. Although this kind of respiration is less efficient in producing energy‚ because
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with High temperatures and low pH solutions Friday 15th March 2013 Abstract (50) The aim of this investigation was to study the effects of temperature and a low pH solution on beetroot cells. Introduction (200) The general belief amongst our group members was: an increase in temperature will damage the permeability of the plasma membrane. Also‚ the heat will break away the permeability. If the pH solution is 7 or greater there will be no change but the lower the pH the more proteins in the membrane
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outlines the syllabus and assessment requirements. More detailed information about the course can be obtained by referring to the guide for this subject‚ which is available on the subject page of the IB online curriculum centre (OCC) website (http://occ.ibo.org) and can also be purchased from the IB store (http://store.ibo.org). © International Baccalaureate Organization 2010 Nature of the subject Economics is a dynamic social science‚ forming part of group 3—individuals and societies.
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