Which of the following is present in buffers that do not readily permeate cell membranes?
A) only anions
B) only cations
C) only neutral molecules
D) zwitterions

Question

Quizplus · Accepted Answer

Zwitterions are molecules that contain both a positive and a negative charge but are overall neutral. They do not readily permeate cell membranes because their charged nature makes it difficult for them to pass through the lipid bilayer. Therefore, buffers containing zwitterions are commonly used for biological applications as they can maintain a stable pH without interfering with cellular functions.

Which of the Following Is Present in Buffers That Do