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Cell Crossword Puzzle

Across
A series of chemical reactions that convert light energy, water, and CO2 into glucose, and give out oxygen.
The diffusion of water molecules only through a cell membrane.
The movement of substances through a cell membrane only by using the cell's energy.
A flexible covering that protects the inside of a cell from the environment outside a cell.
When molecules pass through a cell membrane using transport proteins.
The process during which a cell takes in a substance by surrounding it with the cell membrane.
The movement of substances from an area of higher concentration to an area of lower concentration.
Membrane bound organelles that use light energy and make food.
The part of the cell that directs cell activities and contains genetic information.
Down
Large macromolecule that does not dissolve in water.
The movement of substances through a cell membrane without using the cells energy.
Form when many small molecules join together.
A network of threadlike proteins that are joined together.
A fluid inside a cell that contains salt and other molecules.
A stiff structure outside the cell membrane.
One sugar molecule, two sugar molecules, or a long chain of sugar molecules.
The process during which a cell's vesicles release their contents outside the cell.
A reaction that cells can use to obtain energy from food when oxygen levels are low.
A process by which glucose is broken down into smaller molecules.
Long chains of amino acid molecules.