Bio 233 Final Examination Spring Semester 2018 May 10, 2018 David A. Logan, Ph.D
ID: 270098 • Letter: B
Question
Bio 233 Final Examination Spring Semester 2018 May 10, 2018 David A. Logan, Ph.D. Clark Atlanta University the best answer, 100 points) Total Points for Exam is 100. Multiple choice (ehoose 1. Toxin produeing (Tox "2 strains of Corynebacterium diptherlae are pathogenic because they in their genome. A. Prophage beta B. Poliovirus C. Herpes virus D. Zika virus 2. True or False oe are harmless saprophytie Tox (Tox ) negative strains of Cormebacteriom diptheri (nonpathogenic) strains of bacteria 3. All prokaryotic organisms are currently classifiled in the kingdom A. Fungi. D. Some are found in each of the kingdoms listed 4. Fungi are usually found in which of the following kingdoms? Plantae Monera None of these 5. Members of the herpes virus family cause ?.flu. B. hepatitis. C. cold sores, fever blisters, or sexually transmitted disease (STD). D. hepatitis. 6 Whoping cough is caused by A. Klebsiella pneumoniae B. Vibrio parahaemolyticus C. Bordetella pertussis D. Yersinia pestis. 7. The exotoxin produced by Corynebacterium diphtheriae A. causes an inflammatory response. B. causes the formation of a pseudomembrane on the respiratory mucosa. C. may destroy cardiac and kidney tissue. D. all of the choices 8. Members of the genus Neisseria cause which of the following human diseases?Explanation / Answer
1. Tox+ strain of Corynebacterium diphtheriae are pathogenic because, they harbour prophage beta in their genome. Hence option "A" is the correct answer.
Polio, Zika and Herpes viruses do not harbor in the genome of Corynebacterium diphtheriae.
2.
Non-toxin producing Corynebacterium strains cause mild to moderate pharyngitis. So Tox- strains also are harmful only.
Hence the given statement is False.
3.
All prokaryotic organisms are classified under the kingdom "Monera". Hence option "C" is the correct answer.
Kingdom Protista contains all unicellular eukaryotic organisms.
Fungi contains unicellular to multicellular saprophytic organisms.
4.
Kingdom plantae contains all multicellular photosynthetic organisms. It doesn't contain fungi. So option "A" is wrong answer.
Protista contains all unicellular eukaryotic organisms. It doesn't contain Fungi. So option "B" is wrong answer.
Monera contains all prokaryotic organisms in it. It doesn't contain Fungi. Hence option "C" is wrong answer.
Fungi are present in the kingdom "Fungi" only. None of the options provided the right answer.
Hence option "D", which states "None of these" is the correct answer.
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