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Which of the following best describes the primary purpose of photosynthesis in plants?
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9. Photosynthesis
Introduction to Photosynthesis
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Which of the following is the primary pigment involved in capturing light energy during photosynthesis in plants?
A
Anthocyanin
B
Xanthophyll
C
Chlorophyll a
D
Carotene
Guida verificata passo dopo passo1
Step 1: Understand the role of pigments in photosynthesis. Pigments are molecules that absorb specific wavelengths of light and are essential for capturing light energy during photosynthesis.
Step 2: Learn about the primary pigment in photosynthesis. Chlorophyll a is the main pigment responsible for absorbing light energy and converting it into chemical energy during the light-dependent reactions of photosynthesis.
Step 3: Differentiate between chlorophyll a and accessory pigments. While chlorophyll a is the primary pigment, accessory pigments like chlorophyll b, carotenoids (e.g., carotene), and xanthophylls help broaden the range of light absorption but do not play the primary role.
Step 4: Exclude pigments not directly involved in light energy capture. Anthocyanins are pigments responsible for red, purple, and blue colors in plants but are not involved in photosynthesis. Xanthophylls and carotene are accessory pigments, not the primary pigment.
Step 5: Conclude that chlorophyll a is the correct answer because it is the primary pigment directly involved in capturing light energy during photosynthesis.
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