The oxygen in the water molecule attracts the most electrons and in so doing attracts a slightly negative charge.
The lac repressor prevents the lac genes in the DNA of E. coli from being expressed most of the time. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
This question is correct. I believe so?
Long term and short term hair loss, weakness, tiredness. ☆
By the ligand receptors on the surface of the cell membrane. How do transport proteins make it easier for certain molecules to diffuse across a membrane.
the binding of a signaling molecule, or ligand, to its receiving molecule, or receptor.