Biology: A Guide to the Natural World with mybiology" (4th Edition)

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Sample Questions for Test #2  -  Spring 2011 A____5. The light dependent reactions of Photosynthesis use light directly to A) Excite electrons and form ATP B) To reduce carbon dioxide to sugar C) To breakdown sugar D) All of these A_____6. During the light-independent reactions of photosynthesis, carbon dioxide is A) Absorbed from the air or water B) Incorporated into proteins C) Released from sugar D) Not involved D_____11. Which of these statements about enzymes is true? a) Most enzymes are proteins b) Enzymes speed up and control chemical reactions c) The action of enzymes is related to their particular shape d) All of the above are true C_____17. The first step of cellular respiration which splits a glucose molecule into two 3-carbon sugars is A) Part of photosynthesis B) Krebs Cycle C) Glycolysis D) Not possible A_____18. ATP is A) a nucleotide with three phosphates attached B) a protein that carries energy C) part of DNA D) a structural carbohydrate D_____21. Adenosine Triphosphate (ATP) is an important molecule because A) It is the basic building block of proteins B) It is the source of genetic information C) It is a carbohydrate polymer D) It is an energy carrier
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A_____23. Which step of cellular respiration does not require oxygen? A)
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Sample Questions - #2Spring2011 A_5 The light dependent reactions of Photosynthesis use light directly to A B C D Excite electrons and form ATP To

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