In which of the following domains do the cells store their genetic information in a nucleus?...

In which of the following domains do the cells store their genetic information in a nucleus?

a. Eukarya and Archaea

b. Eukarya

c. Archaea and Bacteria

d. Archaea

e. Bacteria and Eukarya

Expert Solution

Eukaryotes vs prokaryotes genetic information :-
• Eukaryotic cells have membrane bound cell organelles and a well defined membrane bound nucleus whereas these are absent in prokaryotic cells. Membrane bound cell organelles and nucleus are absent in prokaryotic cells.
• Both eukaryotic and prokaryotic cells store their genetic information in nucleic acids.
• Nucleic acid of eukaryotic cell is present in nucleus, so here we can say that genetic information of eukaryotic cells is stored in nucleus.
• Prokaryotic cells lack nucleus and their nucleic acid is found in cytoplasm, so here we can say that genetic information of prokaryotic cells is stored in cytoplasm.

Three domains classification -
• Prokaryotic organisms are classified in archaea and bacteria and eukaryotic organisms are classified in eukarya.
• So, domain in which cell store genetic information in nucleus is = Eukarya.

Option (b) is correct answer.
• Archaea and bacteria have no nucleus.

gladiator answered 1 year ago

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