1. What Region of visible light spectrum yields the highest photosynthetic rates in spinach? What regions...

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Biology

1. What Region of visible light spectrum yields the highestphotosynthetic rates in spinach? What regions yield the lowestphotosynthetic rates? How do you know? (See graph below)
2. 2. Green photosynthetic pigments (e.g., chlorophyll a and b)capture energy from a wideâ€”but not the widest possibleâ€”region ofthe visible spectrum of light. What pigment color would enableplants to capture energy from almost the entire spectrum of visiblelight? Why, then, are most plants green? (see graph below)
3. 6. Describe the impact of green light, blue light, and DCMUon photosynthesis. Use data to support your answer.
Time (min) Tube 1-Control Dark Tube 2-DPIP & Dark Tube 3- DPIP & White Light Tube 4-DPIP & Green Light Tube 5-DPIP & Blue Light Tube 6-DPIP & DCMU
1 0 0.419 0.355 0.358 0.423 0.449
5 0 0.427 0.171 0.284 0.375 0.446
9 0 0.416 0.015 0.224 0.321 0.44
13 0 0.417 0.017 0.133 0.251 0.448
17 0 0.43 0.005 0.105 0.231 0.447

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4.4 Ratings (872 Votes)

1 Light in range between blue and red yields the highest photosynthetic rates Red light yields maximum as photosystems 1 and 2 operates at 700nm and 680nm which falls in red range Green light yields the lowest See Answer

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Time (min)	Tube 1-Control Dark	Tube 2-DPIP & Dark	Tube 3- DPIP & White Light	Tube 4-DPIP & Green Light	Tube 5-DPIP & Blue Light	Tube 6-DPIP & DCMU
1	0	0.419	0.355	0.358	0.423	0.449
5	0	0.427	0.171	0.284	0.375	0.446
9	0	0.416	0.015	0.224	0.321	0.44
13	0	0.417	0.017	0.133	0.251	0.448
17	0	0.43	0.005	0.105	0.231	0.447