B1510_module3_4_energy_enzymes

B1510_module3_4_energy_enzymes - What drives biological...

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Unformatted text preview: What drives biological reactions? Energy how do the laws of thermodynamics affect living organisms? How do enzymes work? Which law of thermodynamics does this energy pyramid illustrate? First law: energy cannot be created or destroyed Second law: in any energy conversion, some energy is wasted; moreover, the entropy of any closed system always increases. If entropy always increases, then how do living organisms create macromolecules, organelles, cells, tissues, and complex higher-order structures? a) The laws of thermodynamics do not apply to living organisms. b) Living organisms use energy from the sun to accomplish the work of decreasing entropy. c) Living organisms use energy to decrease their own entropy, but generate waste heat that increases the total entropy of the organism and its environment. d) Living organisms convert light energy or chemical energy into organic matter....
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This note was uploaded on 05/01/2011 for the course BIOL 1510 taught by Professor Jungh.choi during the Spring '07 term at Georgia Institute of Technology.

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B1510_module3_4_energy_enzymes - What drives biological...

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