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Unformatted text preview: B I O 1 2 3 T A : S U MA N T A B A G C H I S E C T I O N S 1 6 , 1 8 A N D 2 5 U N I T 1 5 HW # 2 Due date: March 26 th (Sec 16) and March 28 th (Sec 18 and 25) Q1: Compare and contrast cyclic and non-cyclic photo-phosphorylation (Hint: track an electrons path). Compare PS I and PS II in a table. Cyclic photo-phosphorylation electrons leave photosystem I and pass along a series of carriers and then return to photosystem I. ATP is produced during this electron cycle. In noncyclic photo-phosphorylation electrons are derived from water and transferred to NADP+ resulting in NADPH+. Chlorophyll is excited by light transfers electrons from one carrier to another eventually resulting in NADP+. The excited electrons go down the electron transport chain producing ATP from photosystem II to photosystem I. Q2: Name the substrate and end-product of each step in aerobic respiration. (Hint: for glycolysis it is glucose-and-pyruvate)....
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- Spring '08