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Agriculture · Q160

Plant Pathology

Graduate and Post Graduate · Agriculture · question 160

Q160

Chorophyll consists of

A.
Porphyrin head and phytol tail
Answer
B.
Phosphate head and porphyrin tail
C.
Phytol head and porphyrin tail
D.
Porphyrin head and phosphate tail

Answer: Option A

Solution

Answer: Option A
Solution:
Chlorophyll consists of a Porphyrin head and phytol tail.
Chlorophyll is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants.
A chlorophyll molecule consists of a porphyrin head (four pyrrole rings containing nitrogen arranged in a ring around a magnesium ion) and a long hydrocarbon tail.
Most chlorophylls are classified as chlorins, which are reduced relatives of porphyrins. They share a common biosynthetic pathway with porphyrins, including the precursor uroporphyrinogen III.