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AP BIOLOGY TEST 3 REVIEW
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AP BIOLOGY TEST 3 REVIEW The sum total of all the chemical reactions in a living structure is called its Metabolism During photosynthesis, plants use light energy to synthesize glucose from carbon ... dioxide. However, plants do not use up energy during photosynthesis; they merely convert it from light energy to chemical energy. This process is an illustration of The first law of thermodynamics In any system, the total energy includes usable and unusable energy. The unusable energy is a measure of the disorder of the system and is referred to as Entropy If ΔG of a chemical reaction is negative and the change in entropy is positive, you can conclude that the reaction Is exergonic When ADP gains a phosphate to form ATP Energy is consumed Which of the following is an example of an exergonic reaction? Cellular respiration Which of the following statements about enzymes is false? Most enzymes are much smaller than their substrates. Trypsin and elastase are both enzymes that catalyze hydrolysis of peptide bonds. But trypsin only cuts next to lysine and elastase only cuts next to alanine. Why? The shape of the active site for the two enzymes is different. An active site is The part of the enzyme that binds with a substrate In some cases, a substrate-enzyme complex is stabilized by Hydrogen bonds, covalent bonds, ionic attractions, hydrophobic interactions [Show More]
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