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34 Cards in this Set
- Front
- Back
Name the process from which cells get most of their usable energy
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cellular respiration
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The energy for cellular respiration is stored in what
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food/sugar/glucose
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Identify any product of cellular respiration
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energy (ATP), H2O, CO2
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Identify any reactant of cellular respiration
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glucose (sugar), O2
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What is the chemical formula for glucose
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C6H12O6
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Identify the first step of cellular respiration
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glycolysis
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Where does glycolysis take place
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cytoplasm
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What term refers to energy produced without oxygen
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anaerobic
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What substance is not needed for glycolysis to occur
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oxygen
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Identify the electron carrier associated with glycolysis
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NAD+
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How NAD+ different from the similar carrier molecule of photosynthesis
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missing a phosphate
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Once NAD+ acquires the electron for a later process, it becomes
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NADH
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Name the compound that is the main product of glycolysis
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pyruvic acid
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Name any other product of glycolysis
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ATP, NADH, H+
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Identify the 2nd step of cellular respiration
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Krebs Cycle
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The Krebs Cycle is also known as the
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citric acid cycle
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Where does the Krebs Cycle take place
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mitochondria matrix
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What is a necessary reactant of this phase that was not required in glycolysis
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oxygen
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Since oxygen is required this is considered an _____________process
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aerobic
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Identify the new carrier molecule that appears in the Krebs Cycle
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FAD
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When FAD acquires electrons to carry to the next phase, it becomes
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FADH2
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Give any product of the Krebs Cycle
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CO2, ATP, NADH, FADH2
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Identify the 3rd step of cellular respiration
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electron transport chain
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Where does this process occur
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mitochondria (inner membrane or folds)
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The high energy electrons carried from the Krebs Cycle help produce the only type of energy the cell can use. What is it
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ATP
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As the high energy electrons move down the chain of proteins, what ion moves across the membrane
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H+
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At the end of the electron transport chain, the electrons are joined with H+ and O2 to form what overall product of cellular respiration
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water
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Name the protein structure that the high concentration of H+ ions move through causing it to spin
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ATP synthase
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What does the ATP synthase make
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ATP
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How does ATP synthase make ATP
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joins a phosphate group to ADP
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When all NADH and FADH2 are converted into ATP plus the ATP produced in glycolysis and Krebs cycle, the total amount of ATP made from one glucose molecule is
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36 ATP
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Cellular respiration is the opposite of what process
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photosynthesis
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Photosynthesis removes what from the environment and replaces it with what
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CO2 O2
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Cellular respiration removes what from the environment and replaces it with what
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O2 CO2
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