Biology, 17.07.2019 20:30 jamesjarrell67
The structure of biological molecules is determined most commonly by use of x-ray diffraction. why use x-rays instead of more readily available (and brighter! ) light, like lasers
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Biology, 22.06.2019 02:20
Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?
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Biology, 22.06.2019 09:00
What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Biology, 22.06.2019 09:20
Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?
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The structure of biological molecules is determined most commonly by use of x-ray diffraction. why u...
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