Answer: C
Step-by-step explanation:
The answer is c. Smooth ER and Rough ER. Smooth ER is a type of organelle found in the cytoplasm of eukaryotic cells, and appears smooth and tubular under the microscope. It is responsible for the synthesis and modification of lipids, hormones, and carbohydrates. Rough ER is a type of organelle found in the cytoplasm of eukaryotic cells, and appears granular and ribosome-studded under the microscope. It is responsible for the modification and transport of proteins. By looking for the presence of both of these organelles, we can determine what type of eukaryotic cell this is.