Seive tube of the phloem
Seive cells have a nucleus.Seive tube elements do not have a nucleus.
There are cells without mitochondria.Some are erithrocytes,seive tube elements etc
Some cells like seive tube elements lack.Other cells have a nucleus.
Most of eukariyotic cells have only one nucleus.But some cells have more than one nucleus. Eg:-Skeletal muscle cells.Some cells do not have a nucleus.Eg:-Erythrocytes,Seive tube elements
The Phloem.
Seive tube of the phloem
Seive cells have a nucleus.Seive tube elements do not have a nucleus.
They are prokariyotic cells.Also erithrocytes and seive tube elements do not have.
There are cells without mitochondria.Some are erithrocytes,seive tube elements etc
Prokariyotes lack a nucleus.Mamalian erythrocytes,seive tube elements also lack.
Perhaps Enormusly Networks Engage Sever
Some cells like seive tube elements lack.Other cells have a nucleus.
Typical eukariyotes have a nucleus.But red blood cells of mammals,seive tube elements lack a nucleus.
Of course they have. Mitocondria pesent in every living plant cell except seive tube elements
Yes,they are in both.They are almost in every eukariyotic cell accept RBC,phloem seive tube cells etc
In plant anatomy, sieve tube elements, are a specialized type of elongated cell in the phloem tissue of flowering plants. The ends of these cells connect with other sieve tube members, making up the sieve tube, whose main function is transport of carbohydrates in the plant.