Biology, 13.09.2021 06:00 Callmetay24
Many scientific explanations of the origin of life on Earth hold that most early organisms relied on four chemical elements: hydrogen, oxygen, carbon, and nitrogen. Which of these elements most likely increased after the origin of life, allowing more complex organisms to arise and diversify?
Answers: 2
Biology, 21.06.2019 23:10
You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]
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Biology, 22.06.2019 03:50
Explain how the political influence of african americans leaders became weaker.
Answers: 2
Biology, 22.06.2019 06:30
The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius
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Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
Many scientific explanations of the origin of life on Earth hold that most early organisms relied on...
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