13. Which of the following describes the nucleus A. the major site of protein synthesis B. physically separated from the nucleolus C. the main site of chromosome reproduction D. none of the above 14. What do you call to the cells that lack a membran A. animal B. eukaryotic C. plants 15. Where does the production of protein happen? A. golgi apparatus B. lysosomes C. mitoc 16. How is a plant cell similar to an animal cell? A. Both have nuclei, chloroplast and cytoplasm B. Both have cell walls, nuclei and cell membra C. Both have nuclei, cytoplasm and cell memba D. Both have cell walls, chloroplasts and cell r​