Particles or molecules that are too big to fit through regular pores in the cell membrane, or have to big an electric charge, against the current of passive transport ( lower to higher ).
Answer:
Um, this is kind of a place for learning things from each other and helping with school, not super a friendship platform, and you have amazing people around you IRL to be friends with. You don't need online
I believe in you!
Have a great day!
Explanation:
I think it is A if not it is B
I had a question like this so i'm rolling with (B)