Biology- cells

• 7 functions of life

  Metabolism

  Reproduction

  Sensitivity

  Homeostasis

  Excretion

  Nutrition

  Growth
• Carrier proteins cadet molecules which are larger 


  Glucose, amino acids- absorption in the small intestine
• Channel proteins are concerned with transporting ions through membranes 


  Ions
• Facilitated diffusion 


  The passive movement of either large molecules (glucose) or ions (calcium) moving from a high concentration to a low concentration using either a channel or carrier proteins