Answer with choices provided
...
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 00:20
1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:00
Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 03.02.2020 09:46
![question](/tpl/images/cats/ekonomika.png)
Business, 03.02.2020 09:46
![question](/tpl/images/cats/fizika.png)
Physics, 03.02.2020 09:46
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 09:46
![question](/tpl/images/cats/en.png)
English, 03.02.2020 09:46
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 09:46
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 09:46
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 09:46
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 09:46
![question](/tpl/images/cats/en.png)
English, 03.02.2020 09:46
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mkx.png)
Arts, 03.02.2020 09:47
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 09:47
![question](/tpl/images/cats/en.png)
English, 03.02.2020 09:47