Multiple Choice
Where does photosynthesis take place in a plant cell?
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12. Photosynthesis
Chloroplast
Multiple Choice
Where is chlorophyll found within the chloroplast?
A
Dissolved in the stroma as free pigment molecules
B
In the outer chloroplast envelope membrane
C
In the thylakoid membranes (embedded in photosystems of the grana and stroma lamellae)
D
In the intermembrane space between the inner and outer envelope membranes
Verified step by step guidance1
Recall the structure of a chloroplast, which includes the outer and inner envelope membranes, the stroma, and the thylakoid system (thylakoid membranes arranged in grana and stroma lamellae).
Understand that chlorophyll is a pigment responsible for capturing light energy during photosynthesis, so it must be located where light-dependent reactions occur.
Identify that the light-dependent reactions take place in the thylakoid membranes, where photosystems containing chlorophyll are embedded.
Recognize that chlorophyll is not freely dissolved in the stroma nor located in the envelope membranes or intermembrane space, as these areas do not participate directly in light capture.
Conclude that chlorophyll is found embedded within the thylakoid membranes, specifically in the photosystems of the grana and stroma lamellae, enabling efficient light absorption.
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