Multiple Choice
Which of the following best describes the primary purpose of photosynthesis as demonstrated in the HHMI photosynthesis animation?
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9. Photosynthesis
Introduction to Photosynthesis
Multiple Choice
Which of the following is the primary pigment involved in capturing light energy during photosynthesis in plants?
A
Carotene
B
Anthocyanin
C
Chlorophyll a
D
Xanthophyll
Verified step by step guidance1
Step 1: Understand the role of pigments in photosynthesis. Pigments are molecules that absorb specific wavelengths of light and are crucial for capturing light energy during photosynthesis.
Step 2: Learn about the types of pigments found in plants. Common pigments include chlorophylls, carotenoids (like carotene and xanthophyll), and anthocyanins. Each has a specific role in light absorption.
Step 3: Focus on chlorophyll a, which is the primary pigment in photosynthesis. Chlorophyll a absorbs light most efficiently in the blue-violet and red regions of the spectrum and is directly involved in the light-dependent reactions of photosynthesis.
Step 4: Compare chlorophyll a with accessory pigments like carotene, xanthophyll, and anthocyanin. These pigments help broaden the range of light absorption but are not the primary pigments for capturing light energy.
Step 5: Conclude that chlorophyll a is the correct answer because it is the main pigment responsible for capturing light energy and driving the photosynthetic process in plants.
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