Channel proteins allow

  1. facilitated diffusion of specific ions
  2. movement of lipids only
  3. endocytosis
  4. active transport using ATP
Answer

A) facilitated diffusion of specific ions

Channels are water-filled pores. AS & A Level Biology · Topic 4 Cell Membranes and Transport · 4.1 Fluid mosaic membranes

Biology MCQ · More A Level Biology: Cell membranes and transport MCQs · Practise