BIO%20311c-OldExam3

BIO%20311c-OldExam3 - BIO 311c Introductory Biology I K...

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BIO 311c Introductory Biology I K. Sathasivan OLD EXAM 3 NAME Eid Write the day and time of the discussion that you have registered. Day __________________ Time ____________________ Write and bubble in your name & UT-Eid (identification) on scantron form. Sign and write the date, instructor (Sathasivan) and course number. For unique #, just write the day and time of your discussion section. Ignore the form number, date of birth, sex etc on bottom left. After completion, please return the completed scantron form and exam paper to the discussion section you are registered. We will not answer any questions related to the exam during the exam. Once it is done, we will review and adjust the grading if necessary. If you have any comments on the questions, you may write them on the bottom of this page. Comments Signature
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BIO 311c Old Exam 3 K. Sathasivan 2 EXAM 3 Read each question carefully before you select the best answer for questions 1-52 and fill in the appropriate blank in the scantron form with a #2 pencil. Each question is worth 2.0 points. Answer all the 52 questions. The best 50 questions will be considered for a maximum of 100 points. Metabolism 1) Which of the following in an anabolic process that is endergonic and endothermic? A) ATP + H 2 O Æ ADP + Pi B) C 6 H 12 O 6 + 6O 2 Æ 6CO 2 + 6H 2 O C) FADH 2 Æ FAD + H 2 D) amino acids Æ polypeptide E) CH 4 + 2O 2 Æ CO 2 + 2H 2 O 2) Which of the following represents potential energy? A) Exercise B) Concentration gradient C) Light D) Heat E) Wind Use the given Figure to answer the following two questions 3) Which of the following statements regarding enzyme reactions is true ? A) Enzymes decrease the rate of a reaction. B) Enzymes maintain reactant concentrations. C) Enzymes eventually increase the free energy. D) Enzymes increase the activation energy and net free energy. E) Enzymes lower the activation energy (Ea). 4) Based on the above Figure, which of the following has the highest amount of free energy? A) reactants B) the active site of enzyme C) cofactors needed by the enzyme. D) transition state analogs E) products. A C D A A B B B C C D D Transition state Products Progress of the reaction Reactants G E a
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BIO 311c Old Exam 3 K. Sathasivan 3 Use the following Figure to answer the following two questions. 5) The proton transport process shown in Box A, with the redox reactions, is ___________________. A) endergonic B) exergonic C) exothermic D) catabolic E) passive 6) The process of ATP synthesis shown in Box B, without any protons moving through ATP synthase, is _______________. A) endergonic B) exergonic C) endothermic D) catabolic E) reductive 7) Which of the following is a spontaneous reaction with a decrease of entropy within the system? A) hydrolysis of ATP to transport ions. B) catabolism of carbohydrates to make simple sugars. C) melting of ice at room temperature D) condensation synthesis of polysaccharides.
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BIO%20311c-OldExam3 - BIO 311c Introductory Biology I K...

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