In a chloroplast, the green pigment chlorophyll is located within stacks of flattened sacs known as what?
Q1. In a chloroplast, the green pigment chlorophyll is located within stacks of flattened sacs known as what?
Answer: Grana
Explanation: Grana are stacks of thylakoids; stroma is tempting but it is the fluid surrounding the thylakoid stacks.