Micro Organisms
A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive?

It contains DNA
It utilizes energy
All of these
It is made of a single cell

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Micro Organisms
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that

eukaryotes evolved from archaea
oxygenic photosynthesis first evolved in eukaryotes
cyanobacteria arose from chloroplasts which escaped from plant cells
eukaryotes evolved from bacteria

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