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26 Cards in this Set
- Front
- Back
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Photosynthesis and glucose metabolism are related because:
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the products of photosynthesis are used for glucose metabolism and vice versa
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Where does fermentation occur?
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cytoplasm
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Where does glycolysis occur?
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cytoplasm
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Where does the Krebs cycle occur?
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mitochondrial matrix
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Glycolysis produces 2 molecules of _________, ________, and _________
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ATP, NADH, and pyruvate
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The NADH produced by glycolysis ultimately donates its high-energy electron to _________
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oxygen
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Cellular respiration is the process of:
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producing ATP via the electron transport system
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What is the final electron acceptor of the electron transport system?
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oxygen
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Cellular respiration occurs in the:
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mitochondria
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In prokaryotic cells, the Krebs cycle takes place in the:
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cytoplasm
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In prokaryotic cells, the electron transport system is located in the:
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plasma membrane
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Pyruvate produced by glycolysis is transported into the matrix, where:
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it is split into CO2 and a 2-carbon acetyl group, which enters the Krebs cycle
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Some of the energy that is lost in the electron transport system is used to:
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pump hydrogen ions across a membrane
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In chemiosmosis, hydrogen ions move from _________ to _________.
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the intermembrane compartment
the matrix |
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The oxygen in the CO2 molecules produced in glucose metabolism comes from C6H12O6 during ___________
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the Krebs cycle
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Where is ATP produced?
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cytoplasm and mitochondria
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Glucose can be broken down into what two parts?
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1. Glucose activation
2. Energy harvest |
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The production of _________ marks the end of glycolysis and the beginning of cellular respiration.
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pyruvate
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What does the electron transport chain do during cellular respiration?
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Pumps hydrogen ions against their concentration gradient from the matrix to the intermembrane compartment
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Reaction that breaks down glucose without the use of oxygen
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glycolysis
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Cellular respiration
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series of reactions in which large amounts of ATP are produced
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If oxygen is present after glycolysis, pyruvate is broken down further in:
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the Krebs cycle
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Electrons from NADH and FADH2 are deposited in the _____________.
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electron transport system
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In the absence of oxygen, pyruvate acts as the final electron acceptor from NADH, producing ethanol or lactate, in a process called ___________.
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fermentation
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Type of fermentation that occurs in muscles:
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lactate
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Products of the Krebs cycle:
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6 NADH
2 FADH2 2 ATP |
