WebAerobic respiration, which takes place in the presence of oxygen, evolved after oxygen was added to Earth’s atmosphere. This type of respiration is useful today because the … WebOct 6, 2010 · Similarly, the aerobic anoxygenic phototrophs, which are closely related to the purple bacteria, lack any apparent ability to fix inorganic carbon. In the latter case, it seems most likely that the ancestor of this group contained the Calvin-Benson cycle but lost the genes because of their obligate aerobic lifestyle (Swingley et al., 2007).
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WebApr 9, 2024 · In this theory, the first eukaryotic cell was probably an amoeba-like cell that got nutrients by phagocytosis and contained a nucleus that formed when a piece of the cytoplasmic membrane pinched off around the chromosomes. Some of these amoeba-like organisms ingested prokaryotic cells that then survived within the organism and … WebThe first eukaryote may have originated from an ancestral prokaryote that had undergone membrane proliferation, compartmentalization of cellular function (into a nucleus, … farmer boy greek dressing nutrition
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WebThe earliest known life forms on Earth are believed to be fossilized microorganisms found in hydrothermal vent precipitates, considered to be about 3.42 billion years old. [1] [2] The earliest time for the origin of life … WebAug 19, 2009 · The answer is tiny organisms known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to … Web1. anaerobic organism. 2. The process of continuous specialization brought more complex organisms. 3. Their size is too big that it takes longer time for development. 4. Organisms did not change despite of the changes in the environment. 5. organic molecules, prokaryotic cell, photosynthesis, eukaryotic cell . 6. farmer boy duncannon