The size of chlorophyll molecule is

Options

A. head `15xx15`Å tail 25Å
B. head `20xx20`Å, tail 25 Å
C. head `15xx15` Å, tail 20 Å
D. head `10xx12` Å, tail 15Å

Answer

C

Explanation

A chlorophyll molecule consists of two parts, the pophyyrin ring (head) `15xx15` Å and a phytol tail (20 Å).