Question

When a potassium ion passes from the soil into the vacuole of a root cell, it encounters some cellular barriers. Which of the following is the most direct path the potassium would take through these barriers? (A) Primary Cell wall → secondary cell wall → tonoplast. (B) Secondary cell wall → plasma membrane thylakoid. (C) Cell wall → plasma membrane → tonoplast. (D) Cell wall → plasma membrane → tonoplast → grana.​

Answer 1

Answer:

Secondary cell wall → plasma membrane thylakoid.