Transpo of neutral substances across the cell membrane occurs: (A) Porins, (B) Lonophore, (C) Lipopolysaccharides, (D) Diffusion
Answer is D. D i.e. DiffusionTranspo simple passive diffusion is oured by small size, lipid solubility (hydrophobicity) absence of charge (neutrality), and absence of polarity (nonpolar nature)Q.