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DAT - Biology (Biothermodynamics) Exam Questions and Answers 2024/2025(A+ GRADED 100% VERIFIED).
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DAT - Biology (Biothermodynamics) Exam Questions and Answers 2024/2025(A+ GRADED 100% VERIFIED).
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DAT - Biology (Biothermodynamics)Kinetic Energy - ANS energy of motion
Potential Energy - ANS object has potential (stored) energy to be used later; helf in chemical
bonds
Exergonic Reaction - ANS A spontaneous chemical reaction in which there is a release of free
energy to the surroundings
Endergonic Reaction - ANS A non-spontaneous chemical reaction in which free energy is
absorbed from the surroundings
Is △G positive or negative in exergonic reactions? - ANS negative (-△G), reactants are higher
than products (see graph)
Is △G positive or negative in endergonic reactions? - ANS positive (+△G), reactants are lower
than products (see graph)
Gibbs Free Energy Formula - ANS △G = △H - T△S
ATP - ANS powers ENDERGONIC reactions through harnessing and storing energy from
exergonic reactions
What does hydrolysis of ATP make? Is it endergonic or exergonic? - ANS ATP + H2O -> ADP +
phosphate + energy
exergonic
phosphorylation - ANS ADP + phosphate -> ATP
endergonic
coupling of ATP - ANS linking reactions together (ender + exer) to make an overall exergonic
(-△G) reaction
metabolism - ANS sum of all chemical reactions in an organism
anabolism - ANS smaller molecules + energy -> larger molecules
(build molecules)
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