Multiple choice

Clusters of chlorophyll and proteins found in the thylakoids are

  1. granum

  2. stroma

  3. photosystems

  4. chloroplasts

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Photosystems are clusters of chlorophyll, accessory pigments, and proteins embedded in the thylakoid membranes of chloroplasts. They function to absorb light energy and initiate the light-dependent reactions.