BIOD 171 All Exams (Essential Microbiology) Questions and Answers Complete Score A+

BIOD 171 All Exams (Essential Microbiology) Questions and Answers Complete Score A+. Complete the following RNA strand and indicate how many bonds are formed for each complementary pair: 3’ GGUCAUCG 5’ 5’ CC AGC 3’ 3’ GGUCAUCG 5’ 5’ CCAGUAGC 3’ There are 2 bonds formed between A and U, and 3 bonds between G and C. Exam Page 5 Answer Key 1. The plasma membrane (select all that are true): A. Only restricts movement of materials into the cell B. Is often a bilayer comprised of lipids C. Cannot prevent essential nutrients from escaping D. Contains hydrophobic tails pointing inward B and D 2. Carbon, Hydrogen and Oxygen atoms come together to form what primary macromolecule? Give an example. Polysaccharides. Glucose, sucrose and cellulose are all acceptable answers. Exam Page 6 Answer Key 1. True of False: Eukaryotic cells do not have a nucleus False. Eukaryotic cells do have a nucleus (prokaryotic cells do not). 2. True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. True 3. Describe the 4 basic bacterial morphologies. Coccus (round/spherical), bacillus (rod), vibrio (curved rod) or spirillum (spiral/corkscrew). 4. True or False: Archaea, a eukaryotic class of microorganisms, are capable of surviving harsh environments. False. Archaea are prokaryotic bacteria capable of surviving harsh environments. Exam Page 7 Answer Key 1. Which of the following microorganisms are considered to be Eukarya? Select all that apply. A. Animalia B. Plantae C. Fungi D. Protista A,B,C,D 2. True of False: All multicellular microorganisms classified as Animalia are heterotropic. True 3. Microorganisms classified as Plantae obtain most of their energy by converting _____ energy into _______ energy. Light (sunlight); chemical (sugars)