You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Plasma membrane is freely permeable to - and explain in detail?
Ans. is 'd' i.e., Alcoholo As the major middle portion of membrane (core of the membrane) is formed by hydrophobic region of phospholipids, this portion is impermeable to the usual water-soluble substances, such as ions, glucose and urea.o Conversely, fat-soluble substances, such as oxygen, carbon dioxide, and alcohol, can penetrate this portion of the membrane with ease.o Permeability coefficient and permeability of some important molecules in increasing order of frequency are Na+ < K+ < Cl- < Glucose < Tryptophan < Urea = Glycerol< Indole < H2O.