1. The following refer to DPIP (2,6-dichlorophenol-indophenol) and photosynthesis data in Table 3.(see attached table) a. Is there evidence that chloroplasts were able to reduce DPIP in this experiment? Explain in your own words. b. Were chloroplasts able to reduce DPIP when kept in the dark? Explain in your own words. c. Were boiled chloroplasts able to reduce DPIP? Explain in your own words.

Biochemistry
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ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter21: Photosynthesis
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Problem 18P: The Overall Free Energy Change for Photosynthetic NADP+ Reduction What is the overall free energy...
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1. The following refer to DPIP (2,6-dichlorophenol-indophenol) and photosynthesis data in Table 3.(see attached table)

a. Is there evidence that chloroplasts were able to reduce DPIP in this experiment? Explain in your own words.

b. Were chloroplasts able to reduce DPIP when kept in the dark? Explain in your own words.

c. Were boiled chloroplasts able to reduce DPIP? Explain in your own words.

Table 3. Rate of photosynthesis under different conditions.
Absorbance
unboiled
dark (D)
1.212
Time
(min)
0
5
10
15
20
Absorbance
unboiled
light (U)
1.233
1.224
1.211
1.211
1.911
1.245
1.208
1.223
1.234
Absorbance
boiled
light (B)
1.117
1.087
1.068
1.073
1.074
Transcribed Image Text:Table 3. Rate of photosynthesis under different conditions. Absorbance unboiled dark (D) 1.212 Time (min) 0 5 10 15 20 Absorbance unboiled light (U) 1.233 1.224 1.211 1.211 1.911 1.245 1.208 1.223 1.234 Absorbance boiled light (B) 1.117 1.087 1.068 1.073 1.074
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