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UCI BIO 93 MIDTERM 2 QUESTIONS AND ANSWERS
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UCI BIO 93 MIDTERM 2 QUESTIONS AND ANSWERS
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UCI BIO 93 MIDTERM 2 QUESTIONSAND ANSWERS
What6is6a6metabolic6pathway?6-6ans--
A6pathway6that6a6molecule6goes6through,6resulting6in6a6specific6product.
What6is6metabolism?6-6ans--The6totality6of6an6organisms6chemical6reactions
Gibbs6free6energy6-6ans--
Portion6of6a6system6that6can6perform6work6when6temp6and6pressure6are6uniform6through
out6the6system.
What6is6a6way6to6show6change6in6free6energy?6-6ans--
What6does6a6negative6Delta6G6mean?6-6ans--A6process6that6is6spontaneous
What6does6spontaneous6mean?6-6ans--Means6that6a6process6will6occur.
What6happens6to6the6energy6in6a6exergonic6reaction?6-6ans--It6is6released
What6happens6to6the6energy6in6an6endergonic6reaction?6-6ans--
It6is6consumed6in6the6reaction.
True6or6False
A6cell6must6have6endergonic6and6exergonic6reactions6-6ans--True
Is6ATP6Hydrolysis6an6exergonic6or6endergonic6reaction?6-6ans--Exergonic
Mechanical6and6Transport6work6are6what6kind6of6reactions?6-6ans--Endergonic
Why6does6ATP6hydrolysis6release6so6much6energy?6-6ans--
All636phosphate6groups6ate6neg.6charged,6so6there6is6mutual6repulsion6within6all6of6them
What6do6enzymes6do?6-6ans--Lower6energy6barriers6to6drive6chemical6reactions
, What6does6the6suffix6-ase6usually6mean?6-6ans--An6enzyme
How6does6an6exergonic6energy6profile6look6like?6-6ans--
Enzymes6are6biological6___________6-6ans--Catalysts
What6is6the6site6of6cellular6respiration6in6all6eukaryotic6cells?6-6ans--Mitochondria
In6Biology,6what6is6another6word6for6the6addition6of6electrons6to6a6substance?6-6ans--
Reduction
In6Biology,6what6is6another6word6for6the6loss6of6electrons6to6a6substance?6-6ans--
Oxidation
What6is6cellular6respiration?6-6ans--Catabolic6reactions6used6to6generate6ATP
Where6does6glycolysis6happen?6-6ans--In6the6cytosol
What6is6glycolysis?6-6ans--
The6breaking6down6of6glucose6into626molecules6of6a6compound6of6pyruvate.
What6happens6in6the6citric6acid6cycle?6-6ans--
The6breakdown6of6glucose6to6carbon6dioxide6is6completed.
What6is6stage616of6cellular6respiration?6-6ans--Glycolysis
What6is6stage626of6cellular6respiration?6-6ans--Pyruvate6oxidation6and6citric6acid6cycle
What6is6stage636of6cellular6respiration?6-6ans--Oxidative6Phosphorylation
What6is6the6purpose6of6NADH?6-6ans--
Transfers6electrons6from6food6to6electron6transport6chain.
Pyruvate6is6converted6to6what6compound?6-6ans--Acetyl6CoA
Where6does6the6citric6acid6cycle6occur?6-6ans--In6the6mitochondrial6matrix
What6happens6in6substrate-level6phosphorylation?6-6ans--
A6substrate6gives6a6phosphate6to6ADP,6making6a6product6and6ATP
Where6does6oxidative6phosphorylation6happen?6-6ans--
The6inner6mitochondrial6membrane
About6how6many6ATP/Glucose6is6made6during6cellular6respiration?6-6ans--30-32
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