Anatomy Practice Exam 1

Anatomy Practice Exam 1 - What is the role of oxygen in the...

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What is the role of oxygen in the breakdown of glucose? Selected Answer: Oxygen is the final electron acceptor during the complete breakdown of glucose. Question 2 2 of 2 points The __________ is a clear gell, with no visible structure of its own, in which the organelles of a cell are embedded. Selected Answer: cytosol Question 3 2 of 2 points Nucleic acids are 1. large macromolecules (polymers). 2. composed of nucleotides. 3. distinguished from each other, in part, by the composition of the sugar they contain. 4. molecules that transmit the genetic information from one generation of cell to the next and direct protein synthesis.
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Selected Answer: Choices 1, 2, 3, and 4 are all correct. Question 4 2 of 2 points Which of the following is most likely to cause a pathological state (disease)? Selected Answer: Positive feedback Question 5 2 of 2 points Which of the following statements about energy is correct? 1. Energy is the capacity to do work. 2. Energy can be neither created nor destroyed. 3. The energy currency for the cell is adenosine triphosphate. 4. Energy can be reversibly converted from one form to another. Selected Answer: Choices 1, 2, and 3 are correct.
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Question 6 2 of 2 points Which of the following is the molecule that directly enters the cyclic series of chemical reactions that make up the Krebs (citric acid) cycle? Selected Answer: Acetyl CoA Question 7 2 of 2 points Which of the following processes produce(s) the greatest amount of adenosine triphosphate (ATP)? Selected Answer: Electron transport system and oxidative phosporylation Question 8 2 of 2 points Which of the following sequences represents the correct hierarchy of biological organization?
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Selected Answer: Cell-tissue-organ-system-organism Question 9 2 of 2 points Which of the following statements is NOT correct? Selected Answer: Nucleic acids in the cytoplasm function as enzymes. Question 10 2 of 2 points The universal energy currency in cells is Selected Answer: ATP. Question 11 2 of 2 points The functions of a typical mammalian cell include
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1. metabolism. 2. regulation. 3. cellular exchange. 4. communication. Selected Answer: Choices 1, 2, 3, and 4 are all correct. Question 12 2 of 2 points Which of the following statements concerning negative feedback is NOT correct?
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