Page 17 - E-Biology Sec.2 2024-2025 U1_Handy
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Main pigments in the chloroplast
Pigment Color Ratio
The main pigments are specialized in absorbing most of light.
Accomplishing the photosynthesis.
Chlorophyll (A) Blue-green
C55H72O5N4Mg
70%
Chlorophyll (B) Yellow-green
The accessory pigments absorb little amount of light, transfer it into
chlorophyll (A).
Increasing the efficiency of photosynthesis.
Xanthophyll Lemon-yellow 25%
Carotene Orange-yellow 5%
B)Leaf internal structure:
17
First Term
