What Is the Difference Between "Free" and "Attached" Ribosomes

Multiple Choice

What is the difference between "free" and "attached" ribosomes?

A) Free ribosomes are in the cytoplasm, whereas attached ribosomes are anchored to the endoplasmic reticulum.
B) Free ribosomes produce proteins in the nucleus, whereas attached ribosomes produce proteins in the cytoplasm.
C) Free ribosomes produce proteins that are exported from the cell, whereas attached ribosomes make proteins for mitochondria and chloroplasts.
D) Free ribosomes are found in prokaryotes, whereas attached ribosomes are found in eukaryotes.
E) Free ribosomes function in protein synthesis, whereas attached ribosomes function in protein modification.