Question

A well defined nucleus is absent in-
1)clammydomonas
2)kidney cell
3)amoeba
4)E.coli

Answer 1

Blue-green algae or cyanobacteria is a prokaryotic organism, i.e., it lacks well defined nucleus, whereas diatoms, algae and yeast all are eukaryotic organism, i.e., they show the presence of true nucleus and cell membrane bound organelles.


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Answer 2

4)E coli
It reproduce rapidly and is a bacteria
Like all bacteria E coli has no nuclear envelope
surrounding the bacterial chromosomes and thus no true nucleus
PLEASE MARK IT AS BRAINLIEST