C. the cell membrane.
the membrane let's things in and out of the cell.
Answer is the first option Place a metal paper clip on a table and slowly bring each electromagnet closer to the paper clip to see which can attract the paper clip from a greater distance.
I don't know why but I find your questions a bit too easy..
Answer:
they have different witnesses
Explanation:
The sources of evidence have the different witnesses attached to them. The primary source of evidence is to prove a case in the court of law. In other words, the source of the evidence is to make sure that there is sufficient information to build a case. Thus, the evidence can come in many forms - the physical, the document, the demonstrative, and the testimony. However, the physical evidence is the most reliable form. In an unchanged state, the physical evidence, like DNA is very reliable.
I believe the corre term to fill in the blank is "a protein gradient." Chemiosmosis uses a protein gradient to supply the energy necessary to phosphorylate adp to atp. It<span> is the diffusion of hydrogen ions (protons) across the biological membrane via the ATP synthase.</span>
Chlorophyll,makes the plant green. large central vacuolestores the water. , cell wall protects the membrane