Micro Final Exam Portage Learning | Questions and Correct Answers Verified 100% | Latest Update

Micro Final Exam Portage Learning | Questions and Correct Answers Verified 100% | Latest Update The alpha-toxin perfringolysin is associated with which medical condition caused by Gram-positive anaerobic bacteria? Gas gangrene Tetanus Leprosy Botulism - ANSWER -Gas gangrene True or False. Bubonic plague is often characterized by painfully swollen lymph nodes. - ANSWER -True List the following disease: - ANSWER -Anthrax True or False. Chlyamida is an obligate parasite and as such can be grown on agar plates alone. - ANSWER -False True or False. Similar to chickenpox, the blisters that appear with shingles can cover the entire body. - ANSWER -False What linear, double-stranded, enveloped DNA virus is the first virus (as of Oct. 26, 1977) to be officially declared eradicated? - ANSWER -Smallpox also known as variola virus By whom and where was the first polio vaccine developed? - ANSWER -By Jonas Stalk at the University of Pittsburgh A drug company is trying to develop a new drug that will inhibit viral entry of Influenza. Would the drug company target hemagglutinin proteins or neuraminidase proteins? Why? - ANSWER -Hemagglutinins because hemagglutinins are involved in entry of viral particle into a host's cell. Whereas, neuraminidase is involved in budding and relase of the new viral particles from the host cell. True or False. The viral capsid of HIV is dumbbell shaped and contains ~2,000 copies of the viral protein p24. - ANSWER -False What small (~30nm) single-stranded, non-enveloped RNA virus targets the CNS (central nervous system), causing potentially catastrophic damage to motor neurons? - ANSWER -Polio (poliomyelitis) Which of the following are considered Protista? Select all that apply. Amoeba Algae Yeast Bacteria - ANSWER -Amoeba & Algae True or False: A defining characteristic of Protista is the inability of colonies to form tissue layers. - ANSWER -True The function of the ribosome is (select all that apply): Lipid synthesis Protein Synthesis Waste disposal via hydrolytic enzymes Protein modification and distribution To produce energy ATP - ANSWER -Protein Synthesis Identify the following cellular components by matching the number with the description. - ANSWER -1) Nucleus 2) Lysosome 3) Plasma Membrane 4) Golgi Aparatus 5) Rough Endoplasmic Reticulum The combination of the cell membrane and the outer membrane is referred to as the (select all that apply) Cell Wall Outer leaflet Cell envelope Capsid - ANSWER -Cell envelope The function of the Golgi is (select all that apply): Lipid synthesis Protein modification and distribution Protein synthesis To produce energy Waste disposal via hydrolytic enzymes - ANSWER -Protein modification and distribution True of False. All multicellular microorganisms classified as Animalia are heterotropic. - ANSWER -True What is the primary byproduct of the TCA cycle? Select all that apply. FADH2 FAD NADH NAD+ - ANSWER -FADH2 NADH In the absence of glucose, which of the following cannot be used as alternative energy sources? Select all that apply. Carbohydrates