Agricultural Microbiology Exam Prep Quiz
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Questions and Answers

What is the date and time for the online practical exam?

  • December 15th, 2-3pm
  • November 24th, 2-3pm (correct)
  • November 30th, 2-3pm
  • November 15th, 4:30-6:30pm

What percentage of the grade is the online practical exam worth?

  • 70%
  • 50%
  • 15% (correct)
  • 30%

Where will the in-person final exam take place?

  • University Hall
  • RDS (correct)
  • Online
  • Examination Center

How many MCQ questions will be in the in-person final exam?

<p>60 (C)</p> Signup and view all the answers

What is the primary focus of the online practical exam?

<p>Practical material (manual/online material) (C)</p> Signup and view all the answers

Which lecture covers the topic of 'Antibiotic Resistant Microorganisms'?

<p>Lecture 15 (C)</p> Signup and view all the answers

Approximately how many known antibiotics are there?

<p>8000 (B)</p> Signup and view all the answers

Which microorganism first produced Penicillin?

<p>Penicillium notatum (B)</p> Signup and view all the answers

What percentage of antibiotics are produced by Streptomyces bacteria?

<p>70% (D)</p> Signup and view all the answers

Which lecture covers the topic of 'The Nitrogen Cycle Antibiotic Discovery and Resistance'?

<p>Lecture 19 (A)</p> Signup and view all the answers

What is the duration of the in-person final exam?

<p>2 hours (B)</p> Signup and view all the answers

What is the topic of Lecture 11?

<p>Microorganisms and Disease (C)</p> Signup and view all the answers

What year did Pfizer successfully achieve mass production of Penicillin?

<p>1942 (C)</p> Signup and view all the answers

When was the Nobel Prize in Physiology awarded for the discovery of Penicillin?

<p>1945 (D)</p> Signup and view all the answers

Which mold was found to produce 100 times more Penicillin than the original Penicillium notatum?

<p>Penicillium chrysogenum (C)</p> Signup and view all the answers

What year did the strain development of Penicillin production continue for the next 30 years?

<p>1960 (B)</p> Signup and view all the answers

What is the mechanism of action of methicillin?

<p>Inhibiting a protein used by bacteria in their cell walls (C)</p> Signup and view all the answers

What is the main cause of antibiotic resistance due to misuse?

<p>Using antibiotics for the common cold and other inappropriate conditions (A)</p> Signup and view all the answers

What is the name of the dangerous pathogen that is a strain of Staphylococcus aureus?

<p>Methicillin-resistant S. aureus (MRSA) (C)</p> Signup and view all the answers

What does synergism between two different antibiotics mean?

<p>The effect of two drugs together is greater than the effect of either alone (C)</p> Signup and view all the answers

What is the main concern with the use of antibiotics in animal feed?

<p>Development of antibiotic-resistant bacteria (D)</p> Signup and view all the answers

What is the name of the antibiotic that signals a new class of antibiotics and was discovered recently?

<p>Teixobactin (A)</p> Signup and view all the answers

What is the role of potassium clavulanate when combined with penicillin?

<p>An inhibitor of penicillinase (B)</p> Signup and view all the answers

What is the main advantage of extended-spectrum penicillins over natural penicillins?

<p>Broader range of activity (D)</p> Signup and view all the answers

Flashcards

Online Practical Exam Date & Time

November 24th, 2-3 PM

Online Practical Exam Weight

15% of final grade

In-person Final Exam Location

RDS

In-person Final Exam MCQ Count

60 multiple choice questions

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Online Practical Exam Focus

Practical material (manual/online resources)

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Lecture 15 Topic

Antibiotic Resistant Microorganisms

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Number of Known Antibiotics

Approximately 8000

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Penicillin's Origin Microorganism

Penicillium notatum

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Streptomyces Antibiotic Contribution

70% of antibiotics

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Lecture 19 Topic

The Nitrogen Cycle, Antibiotic Discovery and Resistance

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In-person Final Exam Duration

2 hours

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Lecture 11 Topic

Microorganisms and Disease

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Pfizer Penicillin Mass Production Year

1942

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Nobel Prize for Penicillin Year

1945

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Penicillin-Producing Mold Improvement

Penicillium chrysogenum, 100x more

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Penicillin Strain Development Duration

30 years after 1960

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Methicillin's Mechanism of Action

Inhibits bacterial cell wall protein

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Antibiotic Misuse Cause of Resistance

Using antibiotics for inappropriate conditions

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MRSA Pathogen

A dangerous Staphylococcus aureus strain

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Synergism in Antibiotics

Combined effect greater than individual drug effects

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Animal Feed Antibiotic Concern

Antibiotic-resistant bacteria development

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New Antibiotic Class Example

Teixobactin

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Potassium Clavulanate Role in Penicillin

Inhibits penicillinase

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Extended-Spectrum Penicillin Advantage

Broader activity range

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