which type of endoplasmic reticulum will contain embedded ribosomes? smooth ribosomal synthetic rough

which type of endoplasmic reticulum will contain embedded ribosomes? smooth ribosomal synthetic rough
Answer
Brief Explanations:
The rough endoplasmic reticulum (RER) is named for its rough appearance due to the presence of ribosomes embedded on its surface. These ribosomes are involved in protein synthesis. Smooth endoplasmic reticulum lacks ribosomes, and the other options are not correct types of endoplasmic reticulum in this context.
Answer:
D. Rough