Question 14

From Biology HL Paper 1A (May 2025, TZ2)

  1. The table shows concentrations of potassium ions and sodium ions maintained inside and outside human cells.
Table showing intracellular and extracellular concentrations of potassium and sodium ions for Question 14.
Table showing intracellular and extracellular concentrations of potassium and sodium ions for Question 14.

What explains these concentrations?

Textbook topics in this question

Review the exact course sections assessed by each question part.