Questions: 18 1 point A green pigment located in membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes. rubisco mesophyll carotenoid chlorophyll

The answer is the fourth one (or D): chlorophyll.

Explanation for each option:

• Rubisco: This is an enzyme involved in the first major step of carbon fixation in the process of photosynthesis. It is not a pigment.
• Mesophyll: This refers to the inner tissue of a leaf, containing many chloroplasts. It is not a pigment but rather a type of plant tissue.
• Carotenoid: These are pigments found in plants and algae that play a role in photosynthesis by capturing light energy. However, they are not green; they are typically yellow, orange, or red.
• Chlorophyll: This is the green pigment located in the membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes. It is essential for photosynthesis as it captures light energy.

Summary: The green pigment located in membranes within the chloroplasts of plants and algae and in the membranes of certain prokaryotes is chlorophyll.