Biology, 07.01.2020 02:31 axell13965
Explain the endosymbiotic theory of the origin of eukaryotic cells
Answers: 2
Biology, 22.06.2019 10:00
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
Answers: 1
Biology, 22.06.2019 12:30
The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water
Answers: 3
Biology, 22.06.2019 13:50
18. how do the cells in meiosis differ from the cells in mitosis?
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Biology, 23.06.2019 00:00
How many neutrons does element x have if its atomic number is 29 and its mass number is 86?
Answers: 2
Explain the endosymbiotic theory of the origin of eukaryotic cells...
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