1.2 Transport

avatar
Created by
Yvie

Cards (6)

  • What is the cell membrane made up of?
    It is made up of a phospholipid bilayer and proteins
  • The cell membrane is selectively permeable
  • What is the meaning of selectively permeable?
    Some molecules can pass in and out and others cannot
  • What is a concentration gradient?
    A concentration gradient is the difference in concentration between two different solutions
  • There is a difference in the concentration of substances that exists between cells and their environments
  • When is a concentration gradient present?
    When the concentration of a substance is different on one side of a membrane compared to the other.