Micro Organisms
Which of the following is not true for eukaryotic cells?

Gas vacuoles are present
Nucleus is bounded by nuclear membrane
Chloroplasts and mitochondria contains 70S ribosomes
Chromosomes contain histones

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Micro Organisms
Eukaryotic cell organelles first emerged

from a specialized lineage of cells within the kingdom Protista
when prokaryotes engulfed each other and became interdependent
just before the origin of the animal and fungal kingdoms
when bacteria made their first attempts at reproduction

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