Biology, 25.06.2019 07:30 blancademarco1994
Soil color is classified by a. using a microscopeb. taking core samplesc. determining the proportion of mineralsd. using a color reference chart
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Biology, 22.06.2019 03:30
Someone me with this: a mineral' is determined by its actomic structure.
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Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
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Biology, 22.06.2019 12:00
Why is it to call the calvin cycle the light independent reactions vs the dark reactions
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Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
Soil color is classified by a. using a microscopeb. taking core samplesc. determining the proportion...
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