Full exam for Biomolecules: Structure and Functions in the Biomedical Engineering degree programme at Politecnico di Milano. The document covers: 16/06/2026 08:45 Biomolecules_Exam_2026_January 20 Biomolecules_Exam_2026_January 20 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. Do your best! Punti: 146/310 Esatto
Full exam for Biomolecules: Structure and Functions in the Biomedical Engineering degree programme at Politecnico di Milano. The document covers: 16/06/2026 08:45 Biomolecules_Exam_2026_January 20 Biomolecules_Exam_2026_January 20 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. Do your best! Punti: 146/310 Esatto
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16/06/2026 08:45 Biomolecules_Exam_2026_January 20 Biomolecules_Exam_2026_January 20 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. Do your best! Punti: 146/310 Esatto 2/2 Punti 1 Gibbs free energy is a state function, meaning that its change depends only on the initial and final states of the system, not on the reaction pathway. True False Non corretto 5/6 Punti 2 SDS-PAGE means ............................................................. and it's a technology devoted to separate proteins according to their .......................................................... SDS-PAGE means SDS PolyAcrylamide Gel Electrophoresis and it's a technology devo sodium-dodecylsuplhate polyacrylamide gel Risposte corrette: molecular weight electrophoresis https://forms.office.com/Pages/ResponsePage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxUMkJBNkRTVVFYNEhHMVNYQ1… 1/13
16/06/2026 08:45 Biomolecules_Exam_2026_January 20 ""The structure of actin is a triple helix of 3 polypeptide chains. Myosin's structure is composed of only one helix. " no correct!The two proteins are defined as fibrous (with a specific secondary structure) with characteristics Feedback:of elasticity, resistance, and flexibility (like all fibrous proteins) that deter‐ mine their ability to lengthen (relax) and shorten (contract) the sarcomere... an explanation for this correlation is missing... " Esatto 5/5 Punti 9 Is the sentence true or false? Justify your choice.Oxidative phosphorylation directly transfers electrons from NADH to ATP synthase to produce ATP. FALSE. Oxidative phosphorylation indeed transfers electrons from NADH to produce False. Electrons generate a proton gradient, Risposte corrette: which drives ATP synthesis indirectly. Esatto 2/2 Punti 10 Remnant chylomocrons are lipoproteins with reduced triglycerides and cholesterol content and they are taken up by liver. True False Esatto 12/12 Punti 11 Myoglobin and hemoglobin are both globular proteins devoted to .................................. They are characterized by different primary structure, but https://forms.office.com/Pages/ResponsePage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxUMkJBNkRTVVFYNEhHMVNYQ1… 4/13
16/06/2026 08:45 Biomolecules_Exam_2026_January 20 TRUE. ELISA assays are processes that allow to to a quantitation of the protein throug False. ELISA measures the absorbance of a Risposte corrette: product generated by an enzyme linked to an antibody, not the protein itself. Esatto 2/2 Punti 17 Uncompetitive inhibitors bind equally well to free enzyme and to complex enzyme-substrate. True False Non corretto 4/5 Punti 18 Is the sentence true or false? Justify your choice.Glycogen synthase can initiate glycogen synthesis de novo without the need for a primer. FALSE. Glycogen synthase participates in glycogen synthesis, a process also called gly False. Glycogenin is required as a primer to Risposte corrette: attach the first glucose residues. Esatto 5/5 Punti 19 Is the sentence true or false? justify your choice. Enzymes of the TCA cycle that operate far from equilibrium are the main regulatory points of the cycle. https://forms.office.com/Pages/ResponsePage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxUMkJBNkRTVVFYNEhHMVNYQ1… 7/13
16/06/2026 08:45 Biomolecules_Exam_2026_January 20 "primary structure?explain better secondary structure (alpha-helices and Feedback: beta-turns)...tertiary structure? quaternary?" Non corretto 26 Did you present the project? Yes No Yes, in 2024 Non corretto 10/15 Punti 27 The 3 short term controls of metabolic pathways are: The 3 short term controls of metabolic pathways are allosteric modulation (possibility allosteric control, covalent control and substrace Risposte corrette: cycle control Non corretto 0/2 Punti 28 Na-K ATPase is an example of primary active transporter because it pumps 3Na+ outside and 2K+ inside the cell, according to their charge gradient. True https://forms.office.com/Pages/ResponsePage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxUMkJBNkRTVVFYNEhHMVNYQ… 10/13
16/06/2026 08:45 Biomolecules_Exam_2026_January 20 Questo contenuto è creato dal proprietario del modulo. I dati inoltrati verranno inviati al proprietario del modulo. Microsoft non è responsabile per la privacy o le procedure di sicurezza dei propri clienti, incluse quelle del proprietario di questo modulo. Non fornire mai la password. Microsoft Forms | Indagini, quiz e sondaggi alimentati dall'intelligenza artificiale Crea un modulo personalizzato Privacy e cookie | Condizioni per l'utilizzo | Accessibilità https://forms.office.com/Pages/ResponsePage.aspx?id=K3EXCvNtXUKAjjCd8ope6xbSz2rzezlCku6V4k8hqLxUMkJBNkRTVVFYNEhHMVNYQ… 13/13
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