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How have prokaryotic cells given origin to aerobic eukaryotic cells and to photosynthetic aerobic eukaryotic cells?
As per to the most accepted hypothesis aerobic eukaryotic cells emerged from the association of aerobic prokaryotes engulfed by primitive anaerobic eukaryotic cells. This would have been the origin of the mitochondria that thus would have primitively been aerobic bacteria engulfed by eukaryotic anaerobes. This hypothesis is known the endosymbiotic hypothesis on the origin of mitochondria.
The Chloroplasts would also have appeared by endosymbiosis from the entry of photosynthetic prokaryotes into aerobic eukaryotes, both establishing a mutualist ecological interaction.
M-Mode was the earliest form of cardiac ultrasound used clinically. It displays the amplitude signals of various structures along the length of ultrasound beam with distance or
While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. What must be the basal clade?
The female I-1 and her mate, male I-2, had four children, one of whom has albinism. What is the probability that they could have had a total of four children with any other outcome
Benefits of energy pyramids
Ethylene glycol is a poison that causes about fifty deaths a year in the United States. Treating people who have drunk ethylene glycol with massive doses of ethanol can save their
Give three examples of artificial selection. Include examples of both animals and plants. Answers will vary, but could include domestic cats, domestic dogs, cattle, sheep, an
Pleural, Pericardial, and Ascitic fluid Collection: The procedure is called paracentesis . If for pleural cavity is called thoracocentesis , and for pericardial cavity c
Stems transport liquids (a) Cut about 2 cm from the end of stems of celery and place them in cold water for about an hour to freshen. Next place the stems in dishes having red
What is the difference between an acid and a base? Base is anything, which has a capability to abstract a proton. Using the easiest definition, an acid is something when add
In f e c tiou s Diseases Infectious diseases inflicts major economic losses as the disease spreads from one animal to other and large number of animals are affected with t
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