Biology, 07.10.2019 12:20 kingnatsu8638
20 points + and give brainiest answer! explain the difference between ionic compounds and covalently bonded compounds.
Answers: 3
Biology, 21.06.2019 19:30
Chicken pox and hepatitis are bacterial diseases. true or false?
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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
Biology, 22.06.2019 15:30
Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit
Answers: 1
Biology, 22.06.2019 15:30
Bio molecules are essential to all living things. which biomolecule is ādā from the table
Answers: 3
20 points + and give brainiest answer! explain the difference between ionic compounds and covalentl...
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