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The electron transport chain culminates in splitting a molecule of water to release electrons.
a. True
b. False
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- In the structures below circle and label the beta-D-glucose unit and the chlorine unitExplain why compounds such as cyanide that disrupt the electron transport chain are poisonsDuring a redox reaction the molecule that gains an electron has been a. reduced and now has a higher energy level. b. oxidized and now has a lower energy level. c. reduced and now has a lower energy level. d. oxidized and now has a higher energy level.
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- During cell respiration, what happens to the strength of the bonds between atoms in glucose vs those in the products water and carbon dioxide? Choose all answers that are correct. a. the carbon-hydrogen bonds in glucose are stronger than the carbon-oxygen bonds in carbon dioxide b. an oxidizing agent c.the carbon-hydrogen bonds in glucose are weaker than the carbon-oxygen bonds in carbon dioxide d.the carbon-hydrogen bonds in glucose are weaker than the oxygen-hydrogen bonds in water e.the carbon-hydrogen bonds in glucose are stronger than the oxygen-hydrogen bonds in waterAt how many protein complex sites in the electron transport chain does proton pumping occur? a. 1 b. 2 c. 3 d. 4Define the following terms: a. hydride ion b. oxidation reaction c. energy d. FAD e. electron transport pathway
- Which is established by the electron transport chain and can be used to drive cellular work especially by the ATP synthase? a. Kinetic Energy b. Electrical Energy c. Gravitational Force d. Proton-Motive ForceEnergy is stored long-term in the bonds of _____ and used short-term to perform work from a(n)_____molecule. a. ATP : glucose b. an anabolic molecule : catabolic molecule c. glucose: ATP d. a catabolic molecule : anabolic moleculeA molecule that donates electrons becomes _________, and the one that accepts the electrons becomes ________ . a. reduced; oxidized c. oxidized; reduced b. ionic; electrified d. electrified; ionic