Cells that lack a well-defined nucleus

Assertion: Members of protists are eukaryotes. Reason: Protistan cell body does not contain a well defined nucleus and other membrane bounded cell organelles.

Which kingdom comprises unicellular organisms with a well-defined nucleus?

Cell that has membrane bound nucleus is called (A)_____ whereas cell that lack membrane bound nucleus is called (B)_____

Smallest living moneran cells that lack a cell wall are

Members of which phylum lack a well- defined circulatory system and respiratory system?

A slide under microscope shows following features: (i) Unicellularity (ii) Well defined nucleus (iii) Biflagellate-one flagellum lying longitudinally and the other trannsversely what would you identify it as?

A slide under microscope shows following features: (i) Unicellularity (ii) Well defined nucleus (iii) Biflagellate-one flagellum lying iongitudinally and the other trannsversely what would ou identify if as?

Both animal and plant cells have a well defined cell wall. A. True B. False

Which of the following is correct: (a) Cells of all living organisms have a nucleus. (b) Both animal and plant cells have a well defined cell wall. (c) In prokaryotes, there are no membrane bound organelles. (d) Cells are formed de novo from abiotic materials.

[A] : Viruses are exception to cell theory . [R] : Viruses don't have a defined nucleus and cytoplasm .