LSU BIOLOGY 1201 ACTUAL EXAM QUESTIONS WITH REVISED AND UPDATED ANSWERS
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Course
LSU BIOLOGY 1201
Institution
LSU BIOLOGY 1201
LSU BIOLOGY 1201 ACTUAL EXAM QUESTIONS WITH REVISED AND UPDATED ANSWERS
Cellular respiration - Answer-A redox process in which energy is released as hydrogen, and electrons are transferred to oxygen atoms
NAD+ - Answer-A coenzyme that functions as an electron carrier
Dehydrogenase - Answer-...
LSU BIOLOGY 1201 ACTUAL EXAM
QUESTIONS WITH REVISED AND
UPDATED ANSWERS
Cellular respiration - Answer-A redox process in which energy is released as hydrogen,
and electrons are transferred to oxygen atoms
NAD+ - Answer-A coenzyme that functions as an electron carrier
Dehydrogenase - Answer-An enzyme that removes a pair of hydrogen atoms (2
electrons and 2 protons) from the substrate; the extra proton is released a H+ ion
Electron transport chain - Answer-Breaks the fall of the extraneous electrons discarded
by the conversion of NADH to oxygen
Oxidative phosphorylation - Answer-Produces 90% of the ATP creates by cellular
respiration
2 Pyruvate - Answer-What does glycolysis produce
Twice - Answer-How many times does the citric acid cycle run per one molecule of
glucose
Chemiosmosis - Answer-ATP synthesis powered by the flow of H+ back across the
membrane
Cytochromes - Answer-Electron carriers that accept electrons from the electron
transport chain
None - Answer-How much CO2 is releases in lactic acid fermentation
obligate anaerobes - Answer-Carry out fermentation
Photosynthesis - Answer-Process that converts sunlight and water into energy within
chloroplasts
Autotroph - Answer-Organisms that sustain themselves without eating anything
Heterotroph - Answer-Organisms that obtain organic molecules from other organisms
Mesophyll - Answer-Plant tissue found in the leaves which hold chloroplasts
, Stomata - Answer-Pores on leaves that allow photosynthesis reactants to enter plants
Thylakoids - Answer-Connected sacs in chloroplast that hold chlorophyll
Endergonic - Answer-Is photosynthesis endergonic or exergonic?
Light reactions and the Calvin cycle - Answer-What are the two stages of
photosynthesis?
Carbon fixation - Answer-incorporating CO2 into organic molecules
Light - Answer-Electromagnetic energy, also called electromagnetic reactions
Action spectrum - Answer-A profile of the relative effectiveness of different wavelengths
for performing photosynthesis
Chlorophyll a - Answer-Plant pigment that has a CH3 functional group
Chlorophyll b - Answer-Plant pigment that has a CHO functional group
Carotenoids - Answer-Red/yellow pigments that work as a back up for chlorophyll; turn
leaves orange/red during the fall
Photosystem - Answer-A reaction center complex surrounded by energy harvesting
complexes
Cyclic electron flow - Answer-Photoexcited electrons cycle back from Fd to the
cytochrome complex
Carbon fixation, and CO2 acceptor regeneration - Answer-What are the three phases of
the Calvin cycle
Passive transport - Answer-No energy required; used for small molecules
Active transport - Answer-Requires energy; used for larger molecules
Amphipathic - Answer-having both a hydrophilic region and a hydrophobic region
Hydrophobic reactions - Answer-Phospholipids tend to pack together tightly and form ...
because it is the least energy consuming formation
Peripheral proteins - Answer-Proteins that are bound to the surface of the membrane
Integral proteins - Answer-proteins that penetrate the hydrophobic interior of the lipid
bilayer
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