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- An arrangement in packets of eight cells is described as a .a. micrococcus c. tetradb. diplococcus d. sarcinaWhich of the following unicellular organisms cause human disease? a. Euglena b. Giardia c. Nosema d. Pfiesteria e. Trichomonas f. TrypanosomasThe following Genera belongs to Euglenozoa, except. a. Balantidium b. Naegleria c. Trypanosoma d. Leishmania
- A product that contains benzovindiflupyr and azoxystrobin will kill which microorganism? O A. Chlamydomonas O B. Agaricus O C. Ulva O D. Chlorella O E. SpirogyraWhich of the following antibiotics will be effective against Klebsiella sp. in vitro? A. Ampicillin: binds to penicillin-binding proteins B. Bacitracin: inhibits the formation of peptidoglycan of Gram positive bacteria C. Colistin: targets bacterial endotoxin D. Antibiotic X: 1400 Da antibiotic that inhibits cell wall synthesisWhat feature does Bacillus and Clostridium have in common that is not found among most other bacteria? a. Axial filamentb. Form Endosporesc. High concentration of lipids in cell wall d. Branching cellse. Obligate Intracellular Parasite All of the following pertain to the plague except... a. Rats are reservoirs b. Fleas serve as vectorsc. Outbreaks have never occurred in the U.S.d. Pneumonic type transmitted by aerosol droplets e. Produces swollen lymph nodes Which is not true of virus capsids?a. They surround and protect viral nucleic acidb. Always icosahedral in shapec. Remain outside of host bacterial cells while the nucleic acid is injected into the bacterial celld. Enters host animal cells together with the nucleic acid e. Made up of protein subunits called capsomeres All viruses have: a. DNA b. RNAc. Envelopesd. Glycoprotein spikes e. Host specificity Use the following to select the sequence of events during replication of DNA viruses in animal cells:1 = replication…
- Pick all group/clade that are part of the organisms listed. Organisms Groups/Clades Trichomonas Chara Plasmodium Laminaria Volvox Spirogyra Riccia Mnium Plasmodiophora Chlamydomonas Caulerpa A. Eukarya B.Viridiplantae C. Archaeplastida D. Excavata E. Rhizaria F. Embryophyta G. Zygnematales H. Chlorophyta/Chlorobionta L. Phaeophyta M. Alveolata N. Streptophyta/Streptobionta O. Cercozoa P. Charales Q. Charophyta R. Marchantiophyta S. Heterokonta T. Apicomplexa U. Bryophyta V. Parabasala W. KinetoplastaChoose which organism does not belong to the group and indicate the reason for your choice A. PERIDINIUM B. PARAMECIUM FALCIPARUM C. PLASMODIUM VIVAX D. STENTOR E. PLASMODIUM MALARIAE ANSWER: REASON:The genera that may cause Pneumococcal Disease Select one: a. Staphylococcus and Streptococcus O b. Bacillus and Salmonella c. Listeria and Escherichia d. Clostridium and Bacillus
- which characteristic of clostridium botulinum causes harm to adults? a.production of toxin b. poisonous endospores c. rapid proliferation of bacteria in intestinal tracts d. all of the above caus harm to adults e. non of the above cause harm to adultsA unique characteristic of many isolates of Pseudomonas useful in identifi cation is a. fecal odor c. drug resistance b. fl uorescent green pigment d. motilityAn elderly man with infl uenza acquires a case of pneumonia. Gram-positive cocci isolated from his sputum give betahemolysis on blood agar; the infection is very diffi cult to treat. Later, it is shown that the man shared a room with a patient with a bone infection. Isolates from both infections were the same. a. What is the probable species? b. Justify your answer. c. What treatment will be necessary? d. What special precautions should be taken by persons attending to the patient? Why?