The molecule will enter the cell using a channel protein.
Answer:
Climate and slavery
Explanation: Slaves were the main reason that there was food before the end when Abraham was president. Climate and slavery can change how the crops were grown. I'd also say the geography was messed up then due to the climate. (sorry if wrong Q-Q)
Protein expression refers to the way in which proteins are synthesized, modified and regulated in living organisms.
Hope this helps :D
Photosynthesis is your answer :)))