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The Chemistry of Life

7th Grade Science 
Crossword Puzzle
Across
Large organic molecules that determine the genetic traits of organisms.
A molecule that contains at least two different elements.
Cells that do NOT have membrane bound organelles like the nucleus.
A fundamental theory of modern biology that describes the basic characteristics of all cells and organisms.
The smallest unit of a substance that maintains the properties of that substance.
The location of stored chemical energy within cells that will be used later.
The process of breaking down food to produce energy.
The part of the cell that surrounds it and is a protective, flexible barrier that controls what enters and leaves the cell.
Attractive forces that hold atoms together.
The only organelle in Eukaryotic cells that does not have a membrane; The site of protein production.
Large molecules made up of smaller molecules called Amino Acids.
Down
Molecules including sugars, starches, and fiber.
Cells that have membrane bound organelles like the nucleus.
The building blocks of proteins.
The part of the cell that releases energy from food molecules for the cell to use.
The genetic material in a cell in the form of a long molecule that contains the instructions for all cell processes.
A plant cell organelle that produces sugar and gives plants their green color.
A chemical compound that contains carbon atoms.
Molecules including fats, oils, waxes, and phospholipids.
Anything that has mass and takes up space.
The gel-like liquid inside the cell that helps maintain cell shape and suspends cell organelles.
A group of atoms held together by attractive forces called chemical bonds.
A substance that is made entirely of one type of atom.