BIOD 171 Final Exam

BIOD 171 Final Exam Study online at 1. True/False. A virus is considered a microorganism.: False (Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses.) 2. What is the smallest biological unit of life?: A cell 3. What are the four main types of macromolecules found in cells?: Proteins, Lipids, Nucleic Acids, Carbohydrates 4. How many different types of amino acids are available from which to make proteins?: 20 5. Define an essential amino acid.: An essential amino acid cannot be produced by the human body and as such must be take in from the environment through alternative sources (i.e) food. 6. What are the two major types of nucleic