Science Crossword Puzzle

the semipermeable membrane surrounding the ctyoplasm of a cell
a microscopic single-celled organism tha has neither a distinct nucleus with a ;membrane nor other specialized organelles.
the movement of water through a semi-permeable membrane
can only work with gases and liquids
include all living organisms other than the eubacteria and archaebacteria
any of a class of organic compounds that are fatty acids
of muscle action, taking place wiht normal contraction
having less than normal tone
the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus
an ultramicroscopic, metabolically inert, infectious agent that replicates only with the cells of living hosts
a thin polar membrane made of two layers of lipid molecules