Term |
Definition |
ATP |
|
ADP |
|
aerobic |
|
anaerobic |
|
atom |
The smallest unit of an element that maintains the properties of that element. |
carbon dioxide
|
|
carbohydrate
|
A class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen. |
cellular respiration
|
The process by which cells use oxygen to produce energy from food. |
chlorophyll
|
A green pigment that captures light energy for photosynthesis. |
chloroplast |
An organelle found in plant and algae cells where photosynthesis occurs. |
energy |
The capacity to do work. |
glucose |
|
hydrogen |
|
law |
A descriptive statement or equation that reliably predicts events under certain conditions. |
Law of Conservation of Energy
|
The law that states that energy cannot be created or destroyed but can be changed from one form to another. |
Law of Conservation of Mass
|
The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. |
mass |
A measure of the amount of matter in an object. |
matter |
Anything that has mass and takes up space. |
metabolism |
|
mitochondria |
|
molecule |
A group of atoms that are held together by chemical bonds; a molecule is the smallest unit of a substance that can exist by itself and retain all of the substance's chemical properties. |
oxygen |
|
photosynthesis |
The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food. |
product |
A substance that forms in a chemical reaction. |
reactant |
A substance that participates in a chemical reaction. |