Which structure is found in plant cells but not in animal cells?

Chloroplasts are the structures found in plant cells but not in animal cells. These organelles are essential for photosynthesis, the process by which plants convert light energy into chemical energy stored in glucose. Chloroplasts contain chlorophyll, the green pigment that captures light energy and facilitates the conversion of carbon dioxide and water into glucose and oxygen.

In contrast to chloroplasts, all the other structures listed are found in both plant and animal cells. The cell membrane is a fundamental boundary that encompasses all cells and allows for the transport of materials in and out. Ribosomes are responsible for protein synthesis and are present in varying forms in all cells, while the nucleus acts as the control center for cellular activities in eukaryotic cells, including both plants and animals.