![subject](/tpl/images/cats/biologiya.png)
Biology, 22.07.2019 16:00 javontiye226
The waste products of respiration are water and a)food b)carbon dioxide c)oxygen d)sugar
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
Wht happens as electrons in the electron transport chain release their energy
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:40
In which part of the body is a ball-and-socket joint found?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
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
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
The waste products of respiration are water and a)food b)carbon dioxide c)oxygen d)sugar...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 07:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 07:50
![question](/tpl/images/cats/geografiya.png)
Geography, 22.09.2019 07:50
![question](/tpl/images/cats/biologiya.png)
Biology, 22.09.2019 07:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.09.2019 07:50
![question](/tpl/images/cats/istoriya.png)
History, 22.09.2019 07:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)