If the absorption spectrum of photosynthesis pigments was restricted to the green portion of the spectrum, which pigment or pigments would be affected the least?A. Chlorophyll bB. Chlorophyll cC. Chlorophyll aD. Cartenoids
Question
If the absorption spectrum of photosynthesis pigments was restricted to the green portion of the spectrum, which pigment or pigments would be affected the least?A. Chlorophyll bB. Chlorophyll cC. Chlorophyll aD. Cartenoids
Solution
To determine which pigment or pigments would be affected the least if the absorption spectrum of photosynthesis pigments was restricted to the green portion of the spectrum, we need to consider the absorption properties of each pigment.
A. Chlorophyll b: Chlorophyll b is a pigment that absorbs light primarily in the blue and red regions of the spectrum. Since its absorption spectrum does not overlap much with the green portion, it would be affected to some extent if the absorption spectrum was restricted to green.
B. Chlorophyll c: Chlorophyll c is a pigment that is found in certain algae and absorbs light in the blue and red regions of the spectrum. Similar to chlorophyll b, it would also be affected if the absorption spectrum was limited to green.
C. Chlorophyll a: Chlorophyll a is the primary pigment involved in photosynthesis and absorbs light in the blue and red regions of the spectrum, as well as some green light. However, since it has a broader absorption spectrum compared to chlorophyll b and c, it would still be affected if the absorption spectrum was restricted to green, but to a lesser extent.
D. Carotenoids: Carotenoids are accessory pigments that absorb light primarily in the blue and green regions of the spectrum. They play a role in capturing additional light energy and transferring it to chlorophyll for photosynthesis. Since carotenoids absorb green light, they would be affected the most if the absorption spectrum was limited to green.
Based on this analysis, the pigment that would be affected the least if the absorption spectrum of photosynthesis pigments was restricted to the green portion of the spectrum is Chlorophyll a (option C).
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