A botanist performs a series of experiments in which she radioactively labeled different possible sources of hydrogen available for use by plants. When she later examines photosynthetically derived compounds from the plants, she will find that their hydrogen came from
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Biology, 21.06.2019 14:30
Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)
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Biology, 21.06.2019 22:00
What is thought to have caused the mass extinction at the end of the cretaceous period?
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Biology, 21.06.2019 23:00
Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.
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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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A botanist performs a series of experiments in which she radioactively labeled different possible so...
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