Final answer:
The endomembrane system includes the nuclear envelope, endoplasmic reticulum, Golgi apparatus, lysosomes, vesicles, and the plasma membrane, but not the mitochondria and chloroplasts. The correct answer is b: Endoplasmic reticulum, Golgi apparatus, lysosomes.
Step-by-step explanation:
The endomembrane system is a group of organelles and membranes in eukaryotic cells responsible for the modification, packaging, and transport of lipids and proteins. The organelles included in the endomembrane system are the nuclear envelope, endoplasmic reticulum (ER), Golgi apparatus, lysosomes, vesicles, and the plasma membrane. It is important to note that the endomembrane system does not include organelles like the mitochondria and chloroplasts. Therefore, the correct answer to the student's question about which organelles are part of the endomembrane system is option b: Endoplasmic reticulum, Golgi apparatus, lysosomes.