Biology, 12.03.2021 21:50, jaleelat3164
It is possible that a fragment of DNA may become detached from a
chromosome and then reattach in the reverse orientation, resulting in a
mutation called inversion.
Answers: 2
Biology, 21.06.2019 20:30, lilsnsbsbs
Which of the following is a common danger of commercial fishing?
Answers: 1
Biology, 22.06.2019 13:00, mimivenga
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 19:30, cuddleslugsovifat
Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.
Answers: 1
It is possible that a fragment of DNA may become detached from a
chromosome and then reattach in th...
Mathematics, 06.05.2020 20:15
Mathematics, 06.05.2020 20:15
Biology, 06.05.2020 20:15