Biology, 04.08.2019 09:00 tahtahtw4887
What was first responsible for changing the formerly poisonous atmosphere to an oxygen-rich atmosphere, as we have today? meteor impacts volcanic gases earthquakes photosynthetic bacteria (cyanobacteria)
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Biology, 22.06.2019 03:00
Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
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Biology, 22.06.2019 03:30
Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?
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Biology, 22.06.2019 12:00
Why is it to call the calvin cycle the light independent reactions vs the dark reactions
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Biology, 22.06.2019 20:00
In figure 1-2 what is the distance from point b to point c?
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What was first responsible for changing the formerly poisonous atmosphere to an oxygen-rich atmosphe...
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