Bs161 Exam Questions And Answers

Bs161 Exam Questions And Answers If 2 solutions have unequal concentrations of solutes, which one will be considered hypertonic? - ANSWER The solution with the higher solute concentration. Due to the constant random motion of its atoms and molecules, a substance will exhibit net movement from a region where it has a higher concentration to a region where it has a lower concentration. This net movement is called— - ANSWER Diffusion Which of the following involve passive transport - ANSWER Diffusion, and facilitated diffusion Order the following substances according to how easily they can cross the lipid bilateral of the plasma membrane without the help of transport proteins. List the substances that cross most easily first. - ANSWER 1)Nonpolar molecules 2)Polar Molecules 3)ions Which of the following involves active transport? - ANSWER Movement of a substance against its own concentration gradient