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Chemical Compounds in Cells (Carbohydrates (EX: sugars and starches, Made…
Chemical Compounds in Cells
Elements and Compounds
Elements
Smallest unit of an element is an atom
A substance that cannot be broken down into similar substances
EX: Oxygen and Nitrogen
Compounds
smallest unit in it is a molecule
In most living things
Combine chemicaly
EX: Water(H20)
Two elements combined
Carbohydrates
EX: sugars and starches
Made of the elements- Carbon, hydrogen, adn oxygen
A compound
Lipids
Cells store energy in lipids for later
energy made of carbon, hydrogen, and oxygen
EX: Fats, oils, and waxes
Proteins
Structure of Proteins
Proteins molecules- made up of smaller molecules called amino acids
Different kinds of proteins are made when cells combine in different ways
Functions of Proteins
make up most organelles in the cell
Enzymes- speed up a chemical reaction in a living thing
form parts of cell membranes
Nucleic Acids
Very long organic molecules made of carbon, oxygen, hydrogen, nitrogen, and phosphorus.
Water and Living Things
Most chemical reactions within cells could not take place without water