Name: Label the structures in the test boxes provided and drag their functions under each label. Cell wall Ribosome Nucleus Nucleolus Nuclear membrane Cell membrane Cytoplasm 1. 6. 2. 5. 3. 4. Is the fluid in which the organelles are surrounded in. Controls the cell activity and contains DNA. Controls the movement of substances in and out of the cell. Makes ribosomes. A double layered structure that surrounds the nucleus. It contains pores for exchange of substances. Make proteins. There are thousands of these in a cell.