substances in food that provide the raw materials and energy the body needs to live
the amount of energy needed to raise the temperature of one gram of water by one degree Celsius
a nutrient that is composed of hydrogen, carbon, and oxygen, and are a major source of energy
a sugar that is the major source of energy for a cell
a nutrient composed of carbon, hydrogen, and oxygen forms the cell membrane and is used as insulation in our bodies
a nutrient that contains nitrogen as well as carbon, hydrogen, and oxygen and is used for tissue repair and growth in the body.
the building blocks of proteins
very large organic molecule that contains the instructions cells need to carry out all the functions of life.
building block of DNA and RNA
act as helper molecules in a variety of chemical reactions in the body
nutrient that is not made by living things
the most important nutrient in the body because all chemical reactions take place in this substance
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