Question

1. what specific structure is responsible for absorbing the energy that is used to power photosynthesis?

outer membrane
stroma
chlorophyll
cytoplasm

Explanation:

To solve this, we analyze each option:

• Outer membrane: Mainly a protective layer of chloroplast, not for energy absorption in photosynthesis.
• Stroma: The fluid - filled space in chloroplast where the Calvin cycle occurs, not for energy absorption.
• Chlorophyll: It is a pigment in chloroplasts that absorbs light energy (photons) to power photosynthesis.
• Cytoplasm: The general cell matrix, not specific for photosynthetic energy absorption.

Answer:

C. chlorophyll