Chemical reaction are important to living organisms because
a. CO2, H2O, and H2CO3
c. H2CO3...
Biology, 11.10.2020 01:01 starpie0710
Chemical reaction are important to living organisms because
a. CO2, H2O, and H2CO3
c. H2CO3
b. CO2 and H2O
d. CO2
Answers: 3
Biology, 22.06.2019 05:30
What in scientific term why the salty popcorn causes this thirst
Answers: 1
Biology, 22.06.2019 07:00
According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously
Answers: 2
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
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