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- 4. Identify the organic carbon-containing product which is generated by the green sulfur bacteria during their photosynthetic reaction (6CO, + 12H,S " A. hydrogen sulfide B. glucose C. carbon dioxide C,H12O6 + 6S2 + 6H2O). D. water50. What happens to the oxygen atoms that were originally present in substrate water molecules during oxygenic photosynthesis (6CO2 + 12H;O " CH12O6 + 602 + 6H;O)? A. half of them end up in product C.H12O6 molecules, the other half in product H2O molecules B. they all end up in product C,H12O6 molecules C. they all end up in product O2 molecules D. they all end up in product CO2 molecules E. half of them end up in product CO2, molecules, the other half in product O, molecules10. Coenzyme used in electron transport. 11. It contains an apoenzyme and a metal ion cofactor. 12. Enzyme responsible in catalyzing a transfer of group, other than hydrogen, between a pair of substrates. 13. Coenzyme of vitamin B2, Riboflavin A. NAD or NADP B. FAD or FMN C. Coenzyme A D. Thiamine pyrophosphate 14.Catalyzing interconversion of optic, geometric or positional isomers. 15. Catalyzing removal of groups from substrates by mechanisms other than hydrolysis, leaving double bonds. 16. Catalyzing linkage of 2 compounds coupled to the breaking of a pyrophosphate bond in ATP or a similar compound. 17. Aid in the hydrolysis of nucleic acids.
- 46) The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis? A) Exergonic B) Feedback C) Endergonic D) Catabolic ubixoib noduso mott eagie alqmz eelqorolrdo or lo obixoib moduo olon ess to make ing t eMatch the number of the label in the diagram (below) with the appropriate site or structure from the list that follows. e Ca e dependet aon water-piting comples plasticyanin label 1 label 3 e label 5 g label 7 a b label 2 d label 4 f label 6 81. stroma 82. photosystem I 83. photosystem II 84. thylakoid lumen 85. electron transport 86. cytochrome complex 87. ATP synthase18. Cyanobacteria, green plants, and green algae generate exactly how many product molecules in their consumption of six CO.molecules and twelve H,O molecules during oxygenic photosynthesis? A. one C,H12O6 molecule, six H,O molecules, and six O, molecules are produced B. twelve C,H1,0, molecules, six H,O molecules, and three CO, molecules are produced C. six H,O molecules and twelve CO, molecules are produced D. six C,H1,0, molecules, three H,O molecules, and six CO, molecules are produced E. twelve H,O molecules and six O, molecules are produced
- 1. Fill in the table below. In the first 2 columns, specify what you are comparing and contrasting in Oxidative Phosphorylation and Photosynthesis. In the second 2 columns describe in a 1-3 sentences, how they are the same and how they are different. (You may not have entries in every column) They are the same because: 1 2 3 4 56 5 6 7 8 9 10 912 11 12 Oxidative Phosphorylation Photosynthesis They are different because:1. What is the chemical composition of ATP? Identify the components according to the organic compound. 2. How important is water in harvesting energy from ATP molecules? 3. What is the importance of pigment in photosyntheis?CH2 H CHз chlorophyll а СНO chlorophyllЬ CH H3C- -CH2- CH3 N. HC Mg** CH H3C CH3 H2C H. CH2 CH2 C20H390 CH3 „CH3 H3C, CH3 CH3 CH3 H3C- CH= CH C14H16= —С—сH— CH. CH2 С H2C CH2 CH2 H2C H3C CH3 H2 Carotene CH3 H3C, CH3 CH3 CH3 H3C- C14H16 CH=CH CH2 CH= CH- С— C- H2C HO, H3C CH3 H2 Хanthophyll H2 우
- 1. The most important reactive intermediate of daytime atmospheric chemical phenomena is * A. HO• B. HOO• C. O• D. H3C• 2. The reaction, H2O + hv → HO• + H, represents * A. formation of the hydroxyl radical in the relatively unpolluted troposphere. B. the strong reactivity of the hydroxyl radical C. the formation of hydroxyl radical at higher altitudes D. destruction of the hydroxyl radical at higher altitudes 3. Which of the following reactions does not represent the removal of the hydroxyl radical from the troposphere? A. CO + HO• → CO2 + H B. CH4 + HO• → H3C + H2O C. C. NH4 + HO• → H3 N• + H2O D. a & b 4. The most important basic species in the atmosphere is A. Calcium carbonate B. gas-phase carbon monoxide C. Calcium oxide D. gas-phase ammonia, NH3. 5. The atmosphere is slightly acidic because of A. the presence of a low level of carbon dioxide B. the presence of low levels of ammonia C. the formation of hydrochloric acid by the dissolution of chlorine gas…1- Organisms which prepare food for themselves using simple naturally available raw materials are referred to a- Heterotroph b- Autotroph c- Monograph d- None of the above 2- In the absence of which of the following will photosynthesis not occur in leaves? a- Guard cell b- Chlorophyll c- Vacuole d- Air space 3- Which of the following raw material is available in the air for photosynthesis? a- Oxygen b- Nitrogen c- Carbon dioxide d- Carbon 4- Potato and ginger are both underground parts that store food. Where is the food prepared in these plants? a- Root b- Stem c- Leaf d- Flower 5- When measuring the limiting factors effect on the photosynthesis rate, the saturation point is a- Limiting factor b- Optimum level c- Gradient d- Constant level1. Give a brief explanation of a) Photosystem I b) Photosystem II c) Electron Transport Chain
