Gujarati
6.Anatomy of Flowering Plants
normal

$P -$ protein is found in

A

Collenchyma

B

Parenchyma

C

Xylem

D

Sieve tube

Solution

(d) A sieve tube is analogous to $RBC$, both being living but enucleated at maturity.

A network of fibres of $P_1$ and $P_2$ protein is present in the central part of lumen of sieve tube which controls movement of materials and with callose, the sealing of pores after injury.

Standard 11
Biology

Similar Questions

Start a Free Trial Now

Confusing about what to choose? Our team will schedule a demo shortly.