The size of chlorophyll molecule is
(a) head 15 × 15 Å, tail 25 Å
(b) head 20 × 20 Å, tail 25 Å
(c) head 15 × 15 Å, tail 20 Å
(d) head 10 × 12 Å, tail 25 Å.
(a) head 15 × 15 Å, tail 25 Å
(b) head 20 × 20 Å, tail 25 Å
(c) head 15 × 15 Å, tail 20 Å
(d) head 10 × 12 Å, tail 25 Å.