204xf08 - A B C D 1. In which of the structures above would...

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A B C D 1. In which of the structures above would you expect to find the formation of Acetyl Coenzyme A? a. A b. B c. C d. D e. None of the above 2. In which of the structures would you expect to find the synthesis of proteins to be secreted? a. A b. B c. C d. D e. None of the above 3. In which of the structures would you expect to find the electron transport complex? a. A b. B c. C d. D e. None of the above
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4. In which part of the cell does glycolysis take place? a. Mitochondria b. Smooth Endoplasmic Reticulum c. Nucleus d. Cytosol e. Nucleolus 5. A negative value of G signifies that the reaction energy while a positive value of G signifies that the reaction energy. a. releases; absorbs b. absorbs, absorbs c. absorbs; releases d. releases; releases e. None of the above 6. Although the G o for the reaction of DHAP to Glyceraldehyde 3 Phosphate (G-3-P) is ________, the reaction proceeds because ______________. a. negative, the concentration of G-3-P is very low. b. positive, the concentration of G-3-P is very low c. negative, the concentration of G-3-P is relatively high d. positive, the concentration of G-3-P is relatively high e. zero, the concentration of G-3-P is very low. 7. What is the most abundant protein on earth? a.. actin b. rubisco c. F1F0-ATPase d. collagen e. hexokinase 8. The sugar derivatives in the Calvin cycle become ______ a. reduced b. oxidized c. phosphorylated d. (a) and (c) e. (b) and (c)
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9. What is the number of hydrogen ions in a mitochondrion at pH 7? Assume that the volume of a mitochondrion is 1 cubic micron, and that there are 10 15 cubic microns per liter. For the purposes of this question, you may consider Avogadro’s number to be 6 x 10 23 . a. 60 b. 6x 10 15 . c. 6000 d. 6 e. 600 10. When CO2 is generated during oxidative phosphorylation, what is the ultimate source of the O? a. atmospheric oxygen b. the hydroxyl groups in the sugars. c. protons in water d. NADH c. ATP 11. There are specific signals that direct proteins to distinct cytoplasmic locations. For each of the following, that signal is based on an amino acid sequence EXCEPT: a. Rough Endoplasmic Reticulum b. Nucleus c. Mitochondrion matrix d. Lysosome e. Mitochondrion inner membrane 12. Which of the following is not a product of a G-protein interaction? a. cAMP b. Diacyl Glycerol c. Inositol tri phosphate d. growth factor activated MAP Kinase e. They all result from G protein interaction. 13. Consider the following hypothetical situation: A cell population has two kinds of receptors for a hormone. One receptor has a Binding constant of 10 -6 M, and causes the cell to release a blue pigment. The other receptor has a binding constant of 10 -4 M, and causes the cell to release a red pigment. If you expose the cells to a concentration of 10 - 5 M of the hormone, what color will the medium be? Assume that 50% of the hormone
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This note was uploaded on 03/24/2010 for the course PHYSICS 2202 taught by Professor Mihalisin during the Spring '09 term at Temple.

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204xf08 - A B C D 1. In which of the structures above would...

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