net/PDECELL/cellresp/respintro.html Write the general formula for aerobic respiration. [You may copy but again you must have the web page next to it.] [pic] http://staff.jccc.net/PDECELL/cellresp/respintro.html Why is glycolysis considered an ancient process? It’s the first step of cell respiration and we believe it arose in the early life of Earth’s revolution. Fill-in the chart below… |PROCESS |Starting Molecule |Molecules
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Chapter 5 Assignment 1. What is energy? What are the three forms of energy? Energy is the capacity to do work. There are four types of energy according to the powerpoint. They are Kinetic energy (energy of motion)‚ potential energy (stored energy)‚ thermal energy (heat)‚ and chemical energy (potential energy of molecules). 2. State the First and Second Laws of Thermodynamics. Include entropy in your explanation. The first law states that energy can neither be created nor destroyed it can
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Every phase except pyruvate oxidation makes ATP. Glycolysis happens in the cell cytoplasm. Other than that phase‚ cellular respiration mostly takes place in the cell’s mitochondria. Glycolysis also happens to be the only phase where oxygen is not required for it to occur. This is why glycolysis and fermentation are very similar to one another. Fermentation is producing energy for organism usage without the presence of
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Biology 9th Chapter 7 Review N.Bouhout 1) The molecule made during glycolysis that is used later in steps of fermentation is pyruvic acid. 2) The molecule made during the later steps in fermentation that is used in glycolysis is NAD+. 3) The molecules that the Krebs cycle makes that the electron transport chain uses are pyruvates. 4) The molecule that will determine whether pyruvic acid will undergo fermentation or be converted for entry into Krebs cycle is oxygen.
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respiration is the process that breaks down food to use as energy. The three main stages are glycolysis‚ citric acid cycle‚ and electron transport (Simon‚ Reece‚ & Dickey‚ 2010). • What is the role of glycolysis? Include the reactants and the products. Where does it occur? During glycolysis‚ a team of enzymes splits glucose and forms two molecules of pyruvic acid. After investing 2 ATP at the start‚ glycolysis generates 4 ATP directly. More energy is harvested later from high-energy electrons used
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are REDUCED to OXIDIZE another molecule 1. NAD+ - oxidizes glucose to 2 pyruvate in glycolysis‚ oxidizes pyruvate to CO2 in the Kreb’s cycle (gets reduced to NADH) 2. NADP+- oxidizes H2O to O2 during the Light Dependent Reactions of photosynthesis‚ final electron acceptor from chlorophyll (PSI) (gets reduced to NADPH) 3. FAD+- oxidizes NADH to NAD during glycolysis and transported to the mitochondrion (gets reduced to FADHs) ii. Reducing Agents: are
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Cellular respiration is a sequence of three metabolic stages: glycolysis (in the cytoplasm) and the Krebs cycle and the electron transport chain in mitochondria. Fermentation involves glycolysis but doesn’t involve the Krebs cycle and the electron transport chain‚ which can’t function at low oxygen levels. Two common types of fermentation are alcoholic fermentation and lactic acid fermentation. Alcoholic fermentation begins with glycolysis‚ breaking glucose into two molecules of pyruvate with and yielding
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Glycolysis After viewing the animation‚ answer these questions. 1. Cells derive energy from the oxidation of nutrients‚ such as glucose . 2. The oxidation of glucose to pyruvate occurs through a series of steps called glycolysis . 3. How many carbons are in a molecule of glucose? 6 carbon glucose 4. The energy related during these oxidation reactions is used to form adenosine triphosphate ( ATP )
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CHAPTER 7 LECTURE SLIDES Respiration • Organisms can be classified based on how they obtain energy: • Autotrophs – Able to produce their own organic molecules through photosynthesis • Heterotrophs – Live on organic compounds produced by other organisms • All organisms use cellular respiration to extract energy from organic molecules Cellular respiration • Digestion – enzymes breaking down large macromolecules into smaller ones. • Cellular respiration is a series of reactions
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