What is Protozoa?
A protozoan, or unicellular eukaryote, is a complete organism in which all life activities occur within the limits of a […]
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Pre-Cambrian Life: Appearance of Eukaryotes
Eukaryotes (“true nucleus”) have cells with membrane-bound nuclei containing chromosomes composed of chromatin. Constituents of eukaryotic chromatin include proteins called
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The Oparin-Haldane Hypothesis: Proof of Prebiotic Synthesis
The Oparin-Haldane hypothesis stimulated experimental work to test the hypothesis that organic compounds characteristic of life could be formed from
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Water: An Essential Component to Make Life Happen
The origin and maintenance of life on earth depend critically upon water. Water is the most abundant of all compounds
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Pre-Cambrian Life: Prokaryotes and BGA
The earliest bacterium-like organisms proliferated, giving rise to a great variety of forms, some of which were capable of photosynthesis.
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Darwin’s Theory: A Priliminary Idea
Darwin’s theory of evolution is now over 140 years old. Darwin articulated the complete theory when he published his famous
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