Which functional group is primarily responsible for the absorption of light in pigments used in photosynthesis?
A
Hydroxyl group
B
C
Amino group
D
Carbonyl group
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검증된 단계별 안내
1
Understand the role of pigments in photosynthesis: Pigments are molecules that absorb specific wavelengths of light, facilitating the conversion of light energy into chemical energy.
Identify the types of functional groups listed: Hydroxyl group, Amino group, Carbonyl group, and Conjugated double bonds.
Recognize the importance of conjugated systems: Conjugated double bonds consist of alternating single and double bonds, which allow for delocalization of electrons across the molecule.
Explain how conjugated double bonds absorb light: The delocalized electrons in conjugated systems can absorb light energy, promoting electrons to higher energy levels, which is crucial for photosynthesis.
Conclude why conjugated double bonds are responsible: The ability to absorb light efficiently is due to the extended π-electron system in conjugated double bonds, making them the primary functional group responsible for light absorption in photosynthetic pigments.