Question

ਕਿਹੜੇ ਜੀਵਾਂ ਦਾ ਨਾਭਿਕ ਨਹੀਂ ਹੁੰਦਾ? Which organisms do not possess nucleus? कौन से जीवों में नाभिक नहीं होता? *​

Answer 1

Answer:

answer= prokaryotes.

answer

Answer 2

Answer:

• the organisms which do not have a nucleus are known as prokaryotic organisms.

• prokaryotic organisms are single cells without membrane-bound organelles that are present in these organisms.

• generally, bacteria are included in these types .other prokaryotes are amoeba.

• cytoplasm, cellular membrane, ribosomes, flagella are some examples of organs present prokaryotes.

• archebacteria and eubacteria are important classes of bacteria.

• archaebacteria are old, they can live in harsh habitats it may be extremely salty, hot spring area.

• methanogens are important examples of these bacteria.

• eubacteria = eubacteria are true bacteria which are rigid cell walls, flagellum and are motile.

• blue-green algae, nostoc, and Anabaena are very important examples of eubacteria. Escherichia coli  

• there are some cells which lack nucleus and human /MAMMALIAN RBC s are perfect examples of this,

• in plants, sieve cells also lack a nucleus..