Answer:
The process shown in the model requires energy from the cell.
Explanation:
Active transport refers to the movement of materials across the cell membrane against concentration gradient.
The cell membrane remains intact. However, energy is required from within the cell to move materials into the cell against concentration gradient, hence the answer.
I think it is D. The National Institutes of Health found it effective in reducing pain and other symptoms, but it is not clear how it works.
There are multiple reasons. 1) there are similar fossils found on different continents. 2) the continents shapes show that they could easily fit together. 3) there are similar rocks, minerals,and land forms on different continents. 4) there's evidence that there was once lush vegetation in areas with extreme cold.
Jhejw do is not even a big deal with the bible of this video but it’s
A T cell, or T lymphocyte, is a type of lymphocyte a type of white blood cell that plays a central role in cell-mediated immunity.