BIOD 171 Portage Learning Final Exam Review |169| questions with correct answers

BIOD 171 Portage Learning Final Exam Review |169| questions with correct answers True/False. A virus is considered a microorganism. - CORRECT ANS-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? - CORRECT ANS-A cell What are the four main types of macromolecules found in cells? - CORRECT ANS-Proteins, Lipids, Nucleic Acids, Carbohydrates Proteins are formed from various combinations of - CORRECT ANS-Amino acids There are how many known forms of amino acids - CORRECT ANS-twenty How many amino acids are classified as being essential amino acids? - CORRECT ANS-Nine Where can the two major types of nucleic acids be found in the cell? - CORRECT ANS-DNA, RNA. Found in the nucleus. What is the role of RNA? - CORRECT ANS-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? - CORRECT ANS-DNA, found in the nucleus contains vast amount of hereditary inforamtion, responible for inhereitable characteristic os living organisms. Complete the following RNA strand, and indicate how many bonds are formed for each complementary pair: 3' GGUCAUCG 5'5' CC AGC 3' - CORRECT ANS-3' GGUCAUCG 5'5' CCAGUAGC 3'There are 2 bonds formed between A and U, and 3 bonds between G and C. The plasma membrane - CORRECT ANS-Restricts movement of materials in and out of the cell & Prevents essential nutrients from escaping How many carbon atoms are present in glucose? - CORRECT ANS-6 True of False: The genetic material within a prokaryotic cell is contained within a membrane-enclosed region. - CORRECT ANS-False Only eukaryotic cells contain its genetic material within a nucleus.