Bio Exam 2 220 UTK exam with answers

Bio Exam 2 220 UTK exam with answers
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An example of catabolism is
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A) starch production from glucose
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B) glucose oxidation to pyruvate
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C) lipid synthesis from fatty acids
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D) amino acid polymerization into proteins - CORRECT
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ANSWERS ✔✔B) glucose oxidation to pyruvate |\ |\ |\ |\ |\




Catabolism occurs in a series of oxidation steps to: -|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



CORRECT ANSWERS ✔✔Allow smaller energy changes
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and the reduction of energy carriers like NADH to couple
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all energy providing to energy spending reactions
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The pyruvate dehydrogenase complex... - CORRECT
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ANSWERS ✔✔Leads to the formation of coenzyme Acetyl
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(CoA)


Which pathway would be fully operational in only
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respirating bacteria? - CORRECT ANSWERS ✔✔TCA Cycle
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(needs oxygen electron acceptor)
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,After a complete turn of the TCA most of the energy
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present in glucose is now found in - CORRECT ANSWERS
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✔✔NADH


What molecule must be degraded by aromatic
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catabolism? - CORRECT ANSWERS ✔✔Lignin |\ |\ |\ |\




Introduction of microorganisms to consume and break |\ |\ |\ |\ |\ |\ |\



down environmental pollutants in order to clean up a
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polluted site - CORRECT ANSWERS ✔✔Bioremediation
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Relationship between catabolism and anabolism - |\ |\ |\ |\ |\ |\



CORRECT ANSWERS ✔✔Catabolism provides energy for
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anabolism


Sum of all chemical reactions within a living organism -
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CORRECT ANSWERS ✔✔Metabolism |\ |\




A series of chemical reactions in which the product of one
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reaction is the substrate for the next - CORRECT
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ANSWERS ✔✔Metabolic pathways |\ |\




Used to predict how much biomass microbes will build
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under defined lab conditions - CORRECT ANSWERS
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✔✔Delta G |\

, Purpose of standard conditions? Standard conditions for
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delta G? - CORRECT ANSWERS ✔✔Allow scientists to
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compare intrinsic properties of reactions
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Temp: 298 K |\ |\




Pressure: 1 atm |\ |\




Concentrations: 1 M |\ |\




pH: 7 |\




Importance of additivity - CORRECT ANSWERS ✔✔Make it |\ |\ |\ |\ |\ |\ |\ |\



possible to do work by coupling an energy yielding
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reaction to an energy spending one
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Molecules that gain or release small amounts of energy in
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reversible reactions, some transfer electrons - CORRECT
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ANSWERS ✔✔Energy carriers (like NADH and ATP) |\ |\ |\ |\ |\ |\




What type of reactions release energy to form energy rich
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compounds such as ATP - CORRECT ANSWERS ✔✔Redox
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reactions


A concealer particle that infects a host cell and directs it
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to produce progeny particles - CORRECT ANSWERS ✔✔A
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virus