A common characteristic feature of plant sieve tube cells and most mammalian erythrocytes is
Question 1
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocytes is
(a) absence of mitochondria (b) presence of cell wall
(c) presence of haemoglobin (d) absence of nucleus
I transport food in plants and am made of dead enucleated sieve tubes and living multinucleated companion cells. I am ____.