<span>B. tiny structures in the cell that carry out the cell's activities</span>
I'm having trouble on this too :(
I'm assuming that you want us to tell you what organism does these things. So it would be a plant.
Question: Many molecules are moved through the body by?
Answer:<u> The molecules are moved through the body by uses special transport proteins to move molecules across the membrane that cannot pass thorough on their own. Usually large molecules. Carrier proteins blind and carry the molecules across the cell membrane. They provide an open channel of passageway through the cell membrane for molecules to move across.</u>
<em>Hope this helps!.</em>
<em>~~~~~~~~~~~~~~~~</em>
<em>~A.W~ZoomZoom44</em>
I thinks it’s 23
If I’m wrong I’m sorry
