Ribosomes are structures in the cytoplasm where proteins are made, and bound and free ribosomes are structurally identical and interchangeable. Given these facts, what structures are in the cytoplasm where proteins are made among the following options:
- layers of fat
 - important habitats
 - Veins and arteries.
 - bioaerosols
 - bound and free
 - sensory neurons
 - a cuticle
 - a delta


 

     bound and free    