LSU Bio 1201 Final Exam Pomarico exam questions with answers

LSU Bio 1201 Final Exam Pomarico exam
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questions with answers |\ |\




Which four elements make up 90% of life? - CORRECT ANSWERS
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✔✔C, H, N, O |\ |\ |\




Does DNA have uracil or thymine? - CORRECT ANSWERS
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✔✔Thymine


What is a macromolecule? - CORRECT ANSWERS ✔✔Molecule
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made up of polymers
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What are the complementary base pairs in DNA - CORRECT
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ANSWERS ✔✔A-T, G-C |\ |\




Which of the following are not pyrimidines?
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T, C, U, A, G - CORRECT ANSWERS ✔✔A, G
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What causes an element to become an isotope? - CORRECT
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ANSWERS ✔✔Change in # of neutrons |\ |\ |\ |\ |\




What is an enantiomer? - CORRECT ANSWERS ✔✔Two molecules
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that are mirror images of each other
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What characteristic is specific of tertiary structure? - CORRECT
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ANSWERS ✔✔Interactions with side chains |\ |\ |\ |\

, What is a hydrogen bond? - CORRECT ANSWERS ✔✔A bond
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between a hydrogen with a partial positive & partial negative
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charge atom (usually oxygen and nitrogen)
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Spider walking on water is a result of - CORRECT ANSWERS
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✔✔Surface tension; cohesion |\ |\




Which of the following would most likely have a polar bond?
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CH, CO, OO, CN, NH - CORRECT ANSWERS ✔✔CO and NH
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Products of cellular respiration - CORRECT ANSWERS ✔✔CO2,
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water, energy|\




What is the most important product of anaerobic respiration? -
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CORRECT ANSWERS ✔✔Regeneration of NAD+
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What happens to Co2 in the Calvin Benson cycle? - CORRECT
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ANSWERS ✔✔Fixation/reduction; incorporation into sugar
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molecules


Where does the most energy production occur in cellular
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respiration? - CORRECT ANSWERS ✔✔Oxidative phosphorylation
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What are the properties of a proton compared to neutrons and
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electrons? - CORRECT ANSWERS ✔✔Heavy, positive
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