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Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
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Biology, 22.06.2019 23:30
Which one of the following is true of trnas? a) trnas are double-stranded. b) each trna binds a particular amino acid. c) there are four types of trna. d) trnas carry special sequences known as codons. e) all of the above
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Biology, 23.06.2019 00:00
Aglacier retreats, exposing bare rock and allowing communities of organisms to move in. this is an example of
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Biology, 23.06.2019 00:30
Which is an example of precipitation. 1snow 2clouds 3natural gases 4organic matter
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