1 point Which of the following is NOT true of prions? They cause fatal diseases of the brain in humans and other animals They are the smallest known type of double-stranded DNA virus None of the other four answers (All are true of prions) They cause a change in normal cell proteins (folding) that is associated with disease They are insectious protein wathout any DNA or RNA 6 point Tha polymerase chain reaction (PCR) is a valuable tool for diagnosing microbial infections. Which of the following is NOT true about PCR? Its purpees is to speod up the growth of bacteria in culture so they can be detected more quickly It vtiices DNUA polymerase enzymes that originated in thermophiic bactoria it is theoretically sensive nnough to amply and detect just one copy of target DNA in a sample If utilizes DNA primer sequences to inifiata each round of anplification Which of the following is mismatched? None of the other four answers (All are matched cocrectly) Fung - Chemohoterotrophic; unicoliular or multicelular, cell wolls of chilin, develop from spores or hyphal fragments Animatia (animals) - Multicellular, no coll walls, chiemoheterotrophic Plantae (plants) - Mulliceliular, collulose cell wals, usually photoaulotrophic Protista (Microeukaryotes) - Ancther name for the Domains that include bacteria and archaea B 1 point You culture a pram-negative rod from the stool sample of a pations with bloody dianthea. The bacterium has these characieristics: Cannot ferment Lactose, cannot use cltric arcid as a main earithe mnurce. produces lysine decarboxylase. Using tho key below, what would be your identification of the bacterium? Cirobocter Ficherichis Enterobocter Salmonelia Tharfin