BIOD 171 Portage Learning Final Exam Review questions with Complete Solutions rated A+

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. What is the smallest biological unit of life? - A cell What are the four main types of macromolecules found in cells? - Proteins, Lipids, Nucleic Acids, Carbohydrates Proteins are formed from various combinations of - Amino acids There are how many known forms of amino acids - twenty How many amino acids are classified as being essential amino acids? - Nine Where can the two major types of nucleic acids be found in the cell? - DNA, RNA. Found in the nucleus. What is the role of RNA? - RNA , found in the nucleus is capable of leaving the nucleus. RNA is repsponsible for deciphering the hereditary information in DNA and uses it to synthesize proteins.What is the role of DNA? - DNA, found in the nucleus contains vast amount of hereditary inforamtion, responible for inhereitable characteristic os living organisms.