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Get Answers to all your Questions
Which of the following does not lose their nucleus at maturity?
(a) Companion cells
(b) Red blood cells
(c) Vessel
(d) Sieve tube cells
Answers (1)
Red blood cells lose the nucleus at they get mature. The process of erythropoiesis forms them. The vessel loses its nucleus on attaining maturity. Sieve tube cells also lose their nucleus and many cell organelles upon maturity. Companion cells are connected to the sieve tube through plasmodesmata. These cells are metabolically active and sieve tube elements are dependent on these cells. So, they do not lose their nucleus at maturity.
The correct option is – (a) Companion cells
View full answer
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