Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing?

Organelles are specialized structures inside cells that perform specific functions. Respiration and photosynthesis are two processes that are related to energy production in cells. Respiration involves the breakdown of glucose to release energy, while photosynthesis involves the conversion of light energy into chemical energy. The organelles that are involved in respiration are the mitochondria, which are responsible for generating ATP (the energy currency of cells) through the breakdown of glucose. Therefore, cells that are actively respiring will have a high number of mitochondria. Photosynthesis, on the other hand, occurs in chloroplasts. Chloroplasts contain the pigment chlorophyll, which is responsible for capturing light energy and converting it into chemical energy through a series of reactions. Therefore, cells that are actively photosynthesizing will have a high number of chloroplasts. Therefore, the answer is Mitochondria and Chloroplasts (Option B) because they are the organelles involved in the processes of respiration and photosynthesis, respectively. Nucleolus and centrioles (Option A), lysosomes and ribosomes (Option C), and Golgi apparatus and endoplasmic reticulum (Option D) are involved in other cellular processes such as DNA replication, protein synthesis, and cellular transport, but not directly in respiration and photosynthesis.