Cyanobacteria or simply known as blue-green algae may have formed the oxygen into the early atmosphere. This is because these micro-organism has the capability to photosynthesize wherein they can produce oxygen and carbohydrates. In fact, all the plants contribute in the fomation of oxygen.
He is credited with the discovery of Nucleic Acids.
Answer:
Relative to prokaryotic cells, eukaryotic cells are usually larger and more complex.
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