Biology, 19.02.2021 16:30 AmI2Fast4Ya
A scientist is presented with an unknown molecule and she is asked to determine what it is. When she views the
molecule under a microscope, what key structures should she look for to determine whether the molecule is
DNA or RNA?
Answers: 1
Biology, 22.06.2019 04:20
Do you think the gene eef1 alpha1 supports cell theory? explain your response.
Answers: 1
Biology, 22.06.2019 05:00
What is a group of organisms that are closely related and share similar characteristics
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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
A scientist is presented with an unknown molecule and she is asked to determine what it is. When she...
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