During oxidative phosphorylation‚ chemiosmosis couples electron transport to ATP synthesis Intro The Pathway of Electron Transport 17. Where is the energy from the glucose molecule when the citric acid cycle is completed? 4 ATP from substrate-level phosphorylation Much more is present as NADH and FADH2 18. Describe how the exergonic "slide" of electrons down the electron transport chain is coupled to the endergonic production of ATP by chemiosmosis. Electrons lose energy in
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process by which most of the world’s autotrophs make their food is known as ____. b) Photosynthesis 9. The process of ___ is how ADP + P are converted into ATP during the Light dependent process. c) chemiosmosis 10. Once ATP is converted into ADP + P‚ it must be ____. b) recharged by chemiosmosis 11. Generally speaking‚ the longer the wave lenght of light‚ the ___ available energy of that light. a) smaller 12. The section of the electromagnetic spectrum used for photosynthesis is ___.d) visible
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where respiration starts in the cells and produces ATP‚ NADH‚ and 2 pyruvate molecules from the oxidation of six carbon carbohydrate and glucose. Even if oxygen is there or not‚ enzymes are mediated in the cytoplasm. The electron transport chain‚ chemiosmosis‚ and aerobic respiration use NADH molecule (which it main purpose is to transport electrons form one molecule to another) for later purposes. The mitochondrial matrix receives pyruvate from the cytoplasm after it crosses over the mitochondrial
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represent the cycle of chemiosmosis. Step 7: As the cake cools down the heat is transferred to the air. It is an Analogy for the hydrogen ions moving from stroma to inner space of thylakoid. Step 8: when its all cooled down it is ready to be decorated with the chocolate icing and is now spread all over the cake that could represent the transfer of the H+ across the membrane. Step 9: the cake is all done and ready to be put in the fridge. And that could represent the chemiosmosis product‚ which is
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generated by the Krebs cycle Oxidative Phosphorylation involves electron transport chain (ETC) and Chemiosmosis The electron transport chain pulled electrons off of NADH and FADH2 The protons also came from the electron transport chain (ETC) Oxygen is the final acceptor. The mitochondrion obtains its source of energy from the movement of protons down a concentration gradient (chemiosmosis)‚ this difference in gradient is what directly powers formation of ATP. Proton by proton they cross
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1. Glycolysis is a catabolic pathway through which glucose (C6H12O6) is oxidized to pyruvate (CH3COCOO−). It takes place in the cytosol of both eukaryotic and prokaryotic cells. During the first steps of glycolysis‚ 2ATP molecules are used to attach two phosphates to the glucose molecule‚ leaving a 6-carbon sugar diphosphate and 2 ADP molecules. Afterwards‚ the 6-carbon sugar diphosphate is split into two 3-carbon sugars by the enzyme Isomerase. The two 3-carbon sugar molecules then both undergo
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Name_______________________Period___________ Chapter 10: Photosynthesis This chapter is as challenging as the one you just finished on cellular respiration. However‚ conceptually it will be a little easier because the concepts learned in Chapter 9—namely‚ chemiosmosis and an electron transport system—will play a central role in photosynthesis. 1. As a review‚ define the terms autotroph and heterotroph. Keep in mind that plants have mitochondria and chloroplasts and do both cellular respiration and
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Topic 8: Cell respiration and Photosynthesis 8.1 Cell respiration 8.1.1 State that oxidation involves the loss of electrons from an element‚ whereas reduction involves a gain of electrons; and that oxidation frequently involves gaining oxygen or losing hydrogen‚ whereas reduction frequently involves losing oxygen or gaining hydrogen Oxidation involves the loss of electrons from an element‚ whereas reduction involves a gain of electrons; and that oxidation frequently involves gaining oxygen
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Chapter 9 1. Organisms that can manufacture their own chemical energy sources are called _____________. 2. ________ depend on energy stored in chemical bonds by autotrophs for their food energy. 3. Simple molecules are further broken down in cells in a process called _________‚ during which energy stored in their chemical bonds is used to power the production of ATP. 4. Glucose is broken down to carbon dioxide and water in organisms which breathe air in a process called as ________ respiration
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Question 1 1. Environmental changes can result in the inactivation of enzymes. Answer True False 1 points Question 2 1. Hydrolases are generally involved in __________ reactions. Answer anabolic catabolic both anabolic and catabolic neither anabolic nor catabolic oxidation-reduction 2 points Question 3 1. Which of the following types of carrier molecules is NOT found in electron transport chains? Answer ubiquinones hemoglobin flavoproteins
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