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Cell Structure & Function

Theory that states that all organisms are made of cells, all cells are produced by other living cells, and the cell is the most basic unit of life.
Organelle composed of a double membrane that acts as the storehouse for most of a cell's DNA.
Movement of dissolved molecules in a fluid or gas from a region of higher concentration to a region of lower concentration.
Organelle that contains enzymes.
Movement of molecules across the cell membrane without energy input from the cell.
Condition of allowing some materials to cross a barrier or membrane
Organelle composed of numerous membranes that are used to convert solar energy into chemical energy; contains chlorophyll.
Energy-requiring movement of molecules across a membrane from a region of lower concentration to a region of higher concentration.
Rigid structure that gives protection, support, and shape to cells in plants, algae, fungi, and bacteria.
Organelle that is used to store materials, such as water, food, or enzymes, that are needed by the cell.
Diffusion of water molecules across a semipermeable membrane from an area of high water concentration to an area of low water concentration.
Double-layer of phospholipids that forms a boundary between a cell and the surrounding environment and controls the passage of materials into and out of a cell.
Jellylike substance inside cells that contains molecules and in some cells organelles.
Model that describes the arrangement and movement of the molecules that make up a cell.
Interconnected network of thin, folded membranes that produce, process, and distribute proteins.
Cell that has a nucleus and other membrane-bound organelles.
Stack of flat, membrane-enclosed spaces containing enzymes that process, sort, and deliver proteins.
Cell that does not have a nucleus of other membrane-bound organelles
Organelle that links amino acids together to form proteins.