Which of the following is a living cell which lacks nucleus on maturity?

Question

Which of the following is a living cell which lacks nucleus on maturity? (A) Complementary cell (B) Mature sieve tube element (C) Mature vessel element (D) Companion cell

Tardigrade Admin · Accepted Answer

Seive tube element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus. The functions of sieve tubes are controlled by nucleus of companion cells. Mature vessel elements are dead cells which lacks both nucleus and cytoplasm on maturity.

Q. Which of the following is a living cell which lacks nucleus on maturity?

Complementary cell

Mature sieve tube element

Mature vessel element

Companion cell

Seive tube element possesses a peripheral cytoplasm and a large vacuole but lacks a nucleus. The functions of sieve tubes are controlled by nucleus of companion cells. Mature vessel elements are dead cells which lacks both nucleus and cytoplasm on maturity.