LS 2 Practice Midterm 1

LS 2 Practice Midterm 1 - b. continuous with the nuclear...

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1 LS 2 Sample Exam questions: Please note that this is only a set of sample questions and does not represent a full exam. The actual exam will be longer and will include at least 40 multiple- choice questions and at least 7 short answer questions. 1. Which of the following statements about ATP is FALSE? a. formed only under aerobic conditions b. hydrolysis of ATP to ADP is an exergonic reaction c. can be formed by substrate level phosphorylation d. is generated in cells mainly by chemiosmosis e. following hydrolysis to ADP further hydrolysis to AMP is an exergonic reactions 2. Endergonic reactions can occur if a. sufficient free energy is provided b. the amount of enzyme is increased c. they are coupled with exergonic reactions d. both a and c are correct e. all of the above are correct 3. All prokaryotic cells have a. a nucleoid b. a nucleolus c. a cytoplasm d. a and c e. b and c 4. The Golgi Apparatus is: a. studded with ribosomes
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Unformatted text preview: b. continuous with the nuclear membrane c. where final protein modification occurs d. filled with digestive enzymes e. composed of actin filaments 5. The sodium potassium pump of neurons pumps a. 2 potassium ions and 3 sodium ions into the cell b. 2 sodium ions and 3 potassium out of the cell c. 3 sodium ions into the cell and 2 potassium ions out of the cell d. 3 sodium ions out of the cell and 2 potassium ions into the cell e. 3 sodium ions and 2 ions potassium out of the cell, 1 protons into the cell 2 6. Depression has a wide range of effects on the human body. Explain, on the molecular level, how it affects the brain. (6 points) 7. Glycolysis has two parts: an energy investing part and an energy harvesting part. Illustrate one of the two parts in details, outlining the reactant, the enzyme, and the product of each step. Also show whether ATP or NADH is produced. (6 points)...
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LS 2 Practice Midterm 1 - b. continuous with the nuclear...

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