Surrounding the grana is the thylakoid lumen.

Thylakoid Lumen

The internal space enclosed by the thylakoid membrane within the chloroplasts, where the light-dependent reactions of photosynthesis take place.

Grana

Stacked membranous structures within chloroplasts that contain chlorophyll, where the light-dependent reactions of photosynthesis occur.

Understand the structural components of chloroplasts and their functions in photosynthesis.

Verified Answer

Final Answer :

False

Explanation :

The thylakoid lumen is inside the thylakoid membranes, which make up the grana in chloroplasts; it is not surrounding the grana.

Learning Objectives

Understand the structural components of chloroplasts and their functions in photosynthesis.