Are any of the answers capitalized? I believe it's Bb.
Yes it is C but for future reference, both A and B are referring to solids, and D is referring to a gas, hope this is helpful later!
Answer:
Pumps, also called transporters, are transmembrane proteins that actively move ions and/or solutes against a concentration or electrochemical gradient across biological membranes. One moves with the concentration gradient (high to low) which powers the movement of the other against the gradient (low to high).
Answer:
Null hypothesis have a tendancy of never raise to that status. Yet, if a hypothesis is tested and prooven to aply having an universal vocation of being aplyed thrn it could become a Postulate
