1 . cell membrane cells that fight disease 2 . unicellular contains chlorophyll 3 . DNA types of cells in the skin 4 . chloroplasts the outside wrapping of a cell 5 . nucleolus one-celled 6 . cytoplasm small part of a cell nucleus 7 . white blood cells produced in photosynthesis 8 . epithelial fluid within a cell membrane 9 . oxygen double-helix shape