LSU Bio 1201 Final Exam Pomarico Questions With 100% Correct Answers.

Which four elements make up 90% of life? - Answer-C, H, N, O Does DNA have uracil or thymine? - Answer-Thymine What is a macromolecule? - Answer-Molecule made up of polymers What are the complementary base pairs in DNA - Answer-A-T, G-C Which of the following are not pyrimidines? T, C, U, A, G - Answer-A, G What causes an element to become an isotope? - Answer-Change in # of neutrons What is an enantiomer? - Answer-Two molecules that are mirror images of each other What characteristic is specific of tertiary structure? - Answer-Interactions with side chains What is a hydrogen bond? - Answer-A bond between a hydrogen with a partial positive & partial negative charge atom (usually oxygen and nitrogen) Spider walking on water is a result of - Answer-Surface tension; cohesion Which of the following would most likely have a polar bond? CH, CO, OO, CN, NH - Answer-CO and NH Products of cellular respiration - Answer-CO2, water, energy What is the most important product of anaerobic respiration? - Answer-Regeneration of NAD+What happens to Co2 in the Calvin Benson cycle? - Answer-Fixation/reduction; incorporation into sugar molecules Where does the most energy production occur in cellular respiration? - Answer-Oxidative phosphorylation What are the properties of a proton compared to neutrons and electrons? - Answer-Heavy, positive