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Chapter 4 Physiology

Biomolecules

TermDefinition
Carbohydrates. Lipids. Proteins. Nucleic Acid and related molecules. Four major groups of organic substances that are very important in the human body.
Glucose The most important simple sugar; Present in the dry state as a straight chain but curls into a cyclic compound when dissolved in water.
Energy. Molecular Structure. Cell Membrane Components. Extracellular Matrix. Dietary Fiber. The major functions of human carbohydrates compounds.
Lipids Water-insoluble organic biomolecules.
Triglycerides The most abundant lipids; Function as the body's most concentrated source of energy.
Phospholipids Lipid compounds similar to triglycerides.
Steroids A large and important class of lipids whose molecules have as their main feature the steroid nucleus.
Cholesterol Steroid found in the plasma membrane surrounding every body cell.
Amino Acids Elements that make up a protein molecule are bonded together to form chemical units.
Peptide Bond Binds the carboxyl group of one amino acid to the amino group of another amino acid.
Created by: myekuh
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