Question

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Why is cytochrome-C evidence for a shared common ancestor among all eukaryotes?
Responses

Only prokaryotes produce cytochrome-C, not eukaryotes.
Only prokaryotes produce cytochrome-C, not eukaryotes.

Cytochrome-C has changed significantly from organism to organism.
Cytochrome-C has changed significantly from organism to organism.

The enzyme isn't necessary for survival but is found everywhere.
The enzyme isn't necessary for survival but is found everywhere.

It's an enzyme necessary for survival in all eukaryotic organisms.

Answer 1

Answer: The correct response is: Cytochrome-C is an enzyme necessary for survival in all eukaryotic organisms.

Step-by-step explanation: