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chapter 2 vocabulary

Leila Sanders
8/31/17
Alabama
Across
A fat molecule or a molecule that has similar properties; examples include oils , waxes ,and steroids.
A molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body.
The sum of all chemical processes that occur in an organism.
A class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen.
A a molecule made up of sub units called nucleotides.
An organism that eats other organisms or organic matter.
Down
An organism that can make its own food by using energy from its surroundings.
A lipid that contains phosphorus and that is a structural component in cell membranes.
Adenosine triphosphate, a molecule that acts as the main energy source for all cell processes.
Anything that causes a reaction or change in an organism or any part of an organism.
An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients.