Carbohydrates. Mr. Chapman Chemistry 30. Four Main Types of Carbon-Based Molecules are Found in Living Things. All organisms are made of four types of carbon-based molecules: Carbohydrates Lipids Proteins Nucleic Acids
Many simple sugars take the form of both chains and rings, such as glucose.
Fructose is often found in fruits...
Monosaccharides bond together to form longer chains through DEHYDRATION SYNTHESIS.