AT&T; LTE 10:01 AM Moodle PLE OF QUESTIONS THAT WERE ON A PREVIOUS EXAM 2 MAY WR

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AT&T; LTE 10:01 AM Moodle PLE OF QUESTIONS THAT WERE ON A PREVIOUS EXAM 2 MAY WRITE ON THIS EXAM 4 The free energy change (DG) of the reaction in the graph is represented by BIOL110 Exam 2d, Dr. Griffard October 11, 2016 100 peints s. The above graph could represent which reaction a The energy investment step of gycolysis b ATP synthesis t. Pyruvate oxidation d. Reduction of NAD Cajun Card Write your name and exam "version 2d" and bubble in your NEW Cajun Card umber on your scantron The enzyme amylase in saliva catalyzes starch Multiple Choice: Choose the best answer. If you suspect a problem with one of the questions, write me a short note about it on the back of your scantron. 2 pts each hydrolysis to the disaccharide maltose. Therefore Amylase is starch b. The substrate for amylase is maltose c The reaction is endergonic 1. The sum total of all chemical reactions in a cell is calledd Amylase strains the bonds in starch a Metabolism b. Celular respiration Which is least lkely to reduce enzyme activity a. High heat b. pH extremes e. Competitive inhibitors d High substrate concentration d Catalyis e. Homeostasis Suppose you are studying with your friends and you hear the following quotes while studying about metabelism. Which one would make you think your friend doesn't understand the basic laws of 2. When the ATP levels in the cell get high, ATP can bind to and inhibit an early enzyme of pycolysis This is an example of . Feedback inhibition bSubstrate level phosphorylation e. Redox d Feedforward regulation ATP is energy b. "Respiration tranifers energy from supar to ATP c. "Creating a gradient decreases entropy d "Energy is transformed in respiration. The first step of glycolysis is the phosphorylation of 3 Several steps of respiration involve the conversion of glucose to glucose-6-phosphate. The free enerEY change of this reaction is about+3 kcal/mole. That means that this NADe to NADH This reaction is considered a A reduction that is exergonic b. A reduction that is endergonic c. An oxidation that is exerponic d. An oxidation that is endergonic and requires ATP s esergonic b is exergonic and produces ATP e. is endergonic and requires ATP d. is endergonic and produces ATP 0 The free energy for the oxidation of glucose to CO and water is -686 kcal/mol and the free energy required for the synthesis of ATP is +7.3 kcal/mol. That means that a. Glucose oxidation is endergonic b. Carbon dioxide contains more energy than ATP c Alot of ATP is needed to oidize glucose d Oxidation of glucose releases enough energy to make about 90A IL when muscle cells oxidize glucose during e-erose and oxygen intake is inadequate to meet the ATP demand the muscle cells resort to fermentation, which Progress of the Reaction a Produces lactic acid and NAD b. Produces ethanol and NADH . Produces ethanol, carbon dioxide, and

Explanation / Answer

1.Ans- a.

Metabolism is the sum of all the chemical reactions that take place in a cell.

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