Guard cells become turgid when water flows in concurrently with

Guard cells become turgid when water flows in concurrently with a. potassium ions. b. calcium ions. c. chloride ions. d. protons. e. sodium ions.

The correct answer is letter A. Potassium makes guard cells become turgid when water flows within this protective barrier. This happens so that the plant can perform photosynthesis even without the presence of direct sunlight. The pores of the cells start to contract and conserve water so that the plant can use it later on.