Fish, reptiles, amphibians, reptiles and mammals
The lipid bilayer of biological membranes<span>, is intrinsically impermeable to </span>ions<span> and polar molecules. Permeability is conferred by two classes of membrane </span>proteins<span>, pumps and channels.</span>
Answer:
T-A-C-G-G-T-A-T-A-C-C-C-A-T-T
Explanation:
A and T go together, and G and C go together :D
The answer to your question is through signals.
If sixteen is the question asking which is not a probable cause of earth's magnetic field the answer would be D earth's tide because they are a result of the magnetic field