2010 Sp08 Exam 2A-Key

2010 Sp08 Exam 2A-Key -...

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Unformatted text preview: NAME_______________________Signature___________________________ BSC2010 Section 02 Feb. 26 2008 Test # 2 - 100 pts . You are on your honor to neither give nor receive help with this exam. (One correct answer per question) 1. All of the following are part of a prokaryotic cell except a. DNA b. a cell wall c. a plasma membrane d. ribosomes e. an endoplasmic reticulum 2. Which of the following are capable of converting light energy to chemical energy? a. mitochondria b. peroxisomes c. Golgi complexes d. chloroplasts 3. The smooth endoplasmic reticulum functions in synthesis of a. Lipids b. Polysaccharides c. Proteins d. DNA 4. What structure is the site of the synthesis of proteins that are exported from the cell? a. Rough ER b. lysosomes c. plasmodesmata d. tight junctions e. Golgi vesicles 5. In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization? a. chloroplast b. lysosome c. central vacuole d. peroxisome 6. Grana, thylakoids are all components found in a. chloroplasts b. lysosomes c. mitochondria d. nuclei e. vacuoles 7. Which of the following relationships between cell structures and their respective functions is not correct? a. cell wall: support, protection b. chloroplasts: chief sites of cellular respiration c. chromosomes: genetic control information d. ribosomes: site of protein synthesis e. mitochondria: formation of ATP 8. The stroma of the chloroplasts is most analogous to which of the following a. The nuclear pore b. The matrix of the mitochondria 1 NAME_______________________Signature___________________________ c. The ER lumen d. The cytoskeleton 9. What kinds of molecules pass through a cell membrane most easily? a. large and hydrophobic b. small and hydrophobic c. large polar d. ionic 10. The presence of cholesterol in the plasma membranes of some animal cells a. enables the membrane to stay fluid more easily when cell temperature drops. b. enables the animal to remove hydrogen atoms from saturated phospholipids. c. enables the animal to add hydrogen atoms to unsaturated phospholipids. d. makes the membrane less flexible, allowing it to sustain greater pressure from within the cell. 11. Which of the following is NOT a component of cytoskeleton?...
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This note was uploaded on 04/18/2008 for the course BIOLOGY BSC2010 taught by Professor Tang during the Spring '08 term at FSU.

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2010 Sp08 Exam 2A-Key -...

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