![subject](/tpl/images/cats/biologiya.png)
Which of the following accurately describes an example of how materials can move across the cell membrane through active transport?
answer
a protein acts as a channel to allow large, hydrophilic molecules to diffuse across the cell membrane.
a protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
![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)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:30
Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00
The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
Answers: 2
You know the right answer?
Which of the following accurately describes an example of how materials can move across the cell mem...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30
![question](/tpl/images/cats/istoriya.png)
History, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 12.10.2019 12:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 12.10.2019 12:30
![question](/tpl/images/cats/biologiya.png)
Biology, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 12.10.2019 12:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 12.10.2019 12:30