While actively engaging in photosynthesis under illumination,
A) the pH of the thylakoid space would be lower than that of the stroma.
B) the pH of the thylakoid space would be greater than that of the stroma.
C) the pH of the thylakoid space and of the stroma would be about the same.
D) it would be impossible to predict the relative pH's of the thylakoid space and of the stroma.

Question

Quizplus · Accepted Answer

During photosynthesis, protons (H+) are pumped into the thylakoid space, lowering its pH compared to the stroma. This creates a proton gradient used to generate ATP.

While Actively Engaging in Photosynthesis Under Illumination