Based on current evidence, the sequence of events leading from the FIRST EUKARYOTIC COMMON ANCESTOR to the modern Eukaryotic cell would be:

Question

Answer

A bacterium engulfs a cyanobacterium by phagocytosis.

A vesicle forms in the cytoplasm of the bacteria and forms the outer membrane of the mitochondria. The cyanobacterium photosynthesis and provides energy for the bacterium whilst the bacterium provides protection for the cyanobacterium.

Some DNA moves from the cyanobacterial nuclear region to the bacterium nuclear region and a nuclear membrane forms and encloses the DNA to form a nucleus.

Answer

A cyanobacterium engulfs a bacterium by phagocytosis.

A vesicle forms in the cytoplasm of the cyanobacterium and forms the outer membrane of the mitochondria. The bacterium provides ATP whilst the cyanobacterium photosynthesises to produce glucose and provides protection for the bacterium.

Some DNA moves from the bacterial nuclear region to the cyanobacterium nuclear region and a nuclear membrane forms to enclose the DNA to form a nucleus.

Answer

A bacterium engulfs an Archaea by phagocytosis.

A vesicle forms in the cytoplasm of the bacterium and forms the outer membrane of the mitochondria. The Archaea provides nutrients for the bacterium and the bacterium provides protection for the archaea.

Some DNA moves from the Archaea nucleoid region to the nucleus of the host cell.

Answer

An Archaea engulfs a bacterium by phagocytosis.

A vesicle forms in the cytoplasm of the Archaea and forms the outer membrane of the mitochondria. The bacterium provides ATP to the Archaea and the Archaea provides nutrients and protection to the bacterium.

Some DNA moves from the bacterial nucleoid region to the nucleus of the host cell.

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Based on current evidence, the sequence of events leading from the FIRST EUKARYO...

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