Science Vocabulary Crossword Puzzle

A small organism in all living things
The membrane enclosing the cytoplasm of a cell
A wall that is part of the outer structure of certain cells
A cell organ that directs cell activities.
A cell organelle that directs cell activities.
The typically unicellular microorganisms that lack a distinct nucleus and membrane-bound organelles.
A cell or organism that possesses a clearly defined nucleus.
A complex cellular mechanism used to translate genetic code into chains of amino acids
A membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells.
A membrane-bound organelle found in the cytoplasm of almost all eukaryotic cells.
A membrane-bound organelle found in eukaryotic cells.
A cell organelle that is surrounded by a membrane.
A structure within or outside a cell.
The inner structural elements, or backbone, of a cell.
The structure within the cells of plants and green algae that is the site of photosynthesis.