Transepithelial Transport

Q. Which of the following steps, is the correct order of tubular reabsorption?

1. 1. Capillary wall, 2. Cytosol, 3. Basolateral cell membrane, 4. Interstitial fluid, 5. Luminal cell membrane
2. 1. Luminal cell membrane, 2. Interstitial fluid, 3. Basolateral cell membrane, 4. Cytosol, 5. Capillary wall
3. 1. Luminal cell membrane, 2. Cytosol, 3. Basolateral cell membrane, 4. Interstitial fluid, 5. Capillary wall
4. 1. Basolateral cell membrane, 2. Cytosol, 3. Luminal cell membrane, 4. Interstitial fluid, 5. Capillary wall
5. 1. Basolateral cell membrane, 2. Cytosol, 3. Capillary wall, 4. Interstitial fluid, 5.Luminal cell membrane