Pheophytin a is a Molecule Whose Structure is Similar to That

Question

Pheophytin a is a molecule whose structure is similar to that of ______
A) $\beta$-carotene
B) Lutein
C) Plastocyanin
D) Chlorophyll
E) Plastoquinone

Accepted Answer

Pheophytin a is structurally similar to chlorophyll, with the main difference being the absence of a central magnesium ion in pheophytin.