For 3 of the following 5 processes involving energy transfer‚ explain how each functions in the cell and give an example. Explain how ATP is involved in each example you choose. Cellular movement Active transport Synthesis of molecules Chemiosmosis Fermentation 1982: Describe the similarities and differences between the biochemical pathways of aerobic respiration and photosynthesis in eukaryotic cells. Include in your discussion the major reactions‚ the end products‚ and energy transfers
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Biology Honors Final Exam Review Study Guide A. Intro Unit * Characteristics of life (DR.CHARGE) * DNA * Directs protein synthesis * Reproduce * Divides in mitosis (asexual reproduction) * Cells * Homeostasis * The process by which cells maintain constant internal condition (water‚ temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food
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Enzymes‚ ATP‚ Hereditary Fructose Intolerance WGU Role of enzymes in processes The role of an enzyme is to catalyze a chemical reaction. Usually an enzyme increases the rate of speed of a reaction. Enzymes break down molecules in our body faster than they would normally break down without enzymes. Enzymes work at specific temperatures and pH levels. (Wolfe‚ 2000). For example‚ a stomach enzyme works better in a more acidic environment‚ whereas intestinal enzymes work
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Seven Mystery Deaths Omesh Khemai Biology 1 Professor Depass 10.28.14 Case Study The first was a 12-year-old girl. Her parents said that she was awake in the middle of the night complaining of a stuffy nose and sore throat. They gave her an extra strength Tylenol and sent her back to bed. At 7am the next morning‚ the parents discovered that the girl had collapsed on the bathroom floor. An ambulance rushed the girl to a nearby hospital‚ where she was pronounced dead. That same day
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Citric Acid Cycle converted into Citrate and circulates through 3 times. The electrons expelled from this process are taken to the inner mitochondrial membrane by NADH and FADH2 carriers. They then flow through the Electronic Transport Chain‚ and Chemiosmosis‚ in a process called Oxidative Phosphorylation‚ which generates energy used to create ATP. This process can be broken down into the chemical formula: C6H12O6 + 6O2 6CO2 + 6 H2O + ATP In this lab we compare the effects of adding heat and
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Chapter 9- Cellular Respiration & Metabolism Life is Work! Living Cells- we all require transfusion of energy from the outside For us- it comes from food Plant Friends- sun (light) Most ecosystems- flows in as sunlight & out as heat Panda- obtains energy from eating plants Catabolic Pathways Yield energy by oxidizing food Exergonic reaction- gives up energy Ex. Cellular Respiration Most efficient Take in food‚ break it down‚ yields energy Yield energy by transferring electrons Redox Reaction
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MGC 2018 Practical write up Name: Madison Bielby Student number: a1740189 Word Count: TITLE A study using an oxygen electrode to determine the effects of varying light intensity on the rate of photosynthesis of spinach‚ Spinacia oleracea. INTRODUCTION Photosynthesis is a two-stage process‚ each with multiple reactions‚ which must work concurrently with each other in order for plant survival. The first stage of photosynthesis is the light dependent reactions which occur in the thylakoids followed
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Answers to Photosynthesis Practice AP Biology 1. Draw a picture of the chloroplast and label the stroma‚ thylakoid‚ thylakoid lumen (space)‚ inner membrane‚ outer membrane. 2. Using 18O as the basis of your discussion‚ explain how we know that the oxygen released in photosynthesis comes from water. When the oxygen in water has the radioactively labeled oxygen‚ the gas released from photosynthesis also has the labeled oxygen. This shows that the oxygen gas given off during photosynthesis comes from
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Peter Dang Mrs. Truesdell AP Biology Period 5 2 October 2013 CHAPTER 7 STUDY GUIDE AN OVERVIEW OF PHOTOSYNTHESIS Autotrophs are plants that can feed themselves by making their own food. Photo-autotrophs are organisms that produce organic molecules from inorganic molecules using the energy of light. Producers are when plants make their own organic molecules. A redox reaction is oxidation and reduction. Photosynthesis takes water and carbon dioxide to make glucose and oxygen. Cellular respiration
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Task 4 Christopher Mann Student ID: 000458585 June 5‚ 2015 Enzymes are special proteins that carry out chemical reactions‚ also known as catalysts. Two important features that make all enzymes catalysts are their ability to bind to a substrate. A substrate is anything that needs to be changed into something else. The second important feature is that it works to lower the activation energy without being used or changed in the reaction (Hudon-Miller‚ 2012. The breakdown of
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