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14/7/2020 Biomolecules exam, July 06th 2020 https://forms.office.com/Pages/ResponseDetailPage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxURFY0VThUTUZUQ0c5T09… 1/23 Punti: 308/310 Biomolecules exam, July 06th 2020 Exam time: 90 minutes. The maximum score (310 points) corresponds to exam mark 30 cum laude. You can answer in Italian or in English language, as you prefer. It could be possible that I decide to complete the evaluation with an additional oral exam. Do your best! 1 Choose the correct definitions for SPECIFICIT Y C ONST ANT from following statements * (5/5 punti) It’s define as the substrate’s concentration required by enzyme to achieve one-half of its maximum reaction rate It’s the efficiency of enzyme, considering the affinity for substrate and its catalytic ability  14/7/2020 Biomolecules exam, July 06th 2020 https://forms.office.com/Pages/ResponseDetailPage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxURFY0VThUTUZUQ0c5T09… 2/23 It’s the rate of product formed by one active site 2 One type of proteolysis is the oxidative deamination, able to transfer the amino group from AA into another one. * (5/5 punti) T rue F alse  3 Exergonic reactions are spontaneous reactions characterized by ΔG>0 * (5/5 punti) T rue F alse   14/7/2020 Biomolecules exam, July 06th 2020 https://forms.office.com/Pages/ResponseDetailPage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxURFY0VThUTUZUQ0c5T09… 3/23 Rispost e corr ett e: ES complex and S/ mantain constant 4 Complete the sentence. Non-competitive inhibitor binds to…………………… and it’s able to ………………………………… Km . * (15/15 punti) si lega sia all'ENZIMA da solo sia al C OMPLESSO ES, a prescindere dal 5 During muscle contraction, chemical energy is transformed into mechanical energy * (5/5 punti) T rue  F alse 6…