Biology, 03.07.2019 18:00 emma042902
Which one of the following discoveries involving dna happened first? a) avery discovered that dna was responsible for storing and passing information through generations. b) sequencing an entire human genome was completed. c) griffith learned that a chemical changed harmless cells into harmful cells. d)hershey and chase used bacteriophages to confirm that dna was the genetic material in genes
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Biology, 21.06.2019 19:30
Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5
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Biology, 22.06.2019 09:00
When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis
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Biology, 22.06.2019 10:30
The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
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Which one of the following discoveries involving dna happened first? a) avery discovered that dna w...
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