BIOS 351 Exam 3 Comprehensive
Questions (Frequently Tested) and
Complete Solutions Graded A+
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Pyrazinamide inhibits fatty acid synthesis in the membranes of
Mycobacterium tuberculosis. Pyrazinamide is an example of a - Answer:
Narrow spectrum antibiotic
,Macrolides bind to the 23S rRNA in the 50S subunit of bacterial
ribosomes and interfere with amino acid entry to the ribosome.
Macrolides interfere with - Answer: Translation
What is the difference between an antibiotic and an antimicrobic? -
Answer: There is no longer a clear difference since most antibiotics are
synthetically modified now
Influenza (the flu) and Covid-19 are infections caused by viruses.
Therefore, antibiotics are completely ineffective at treating these
infections. - Answer: True
If you have the flu, you should get an antibiotic prescription from your
doctor. - Answer: False
Tetracycline inhibits protein synthesis in bacterial cells by blocking
peptide extension in the ribosome. It slows bacterial growth,
preventing new bacterial cells from being formed, but does not directly
kill the cells it enters. Tetracyclin is an example of a __________
antimicrobic. - Answer: bacteriostatic
Resistance to novobiocin is characteristic of - Answer: S. saprophyticus
, Beta hemolysis is characteristic of - Answer: S. aureus
This species typically has a golden yellow water-insoluble pigment. -
Answer: S. aureus
This species cannot ferment mannitol - Answer: S. epidermidis
When a sample of this species is mixed with blood plasma, it causes the
plasma to solidify. - Answer: S. aureus
An unknown species of Staphylococcus does not produce coagulase but
does produce Protein A. The unknown will give a _____________ result
on the plasma coagulase test and _____________ result on the
Staphyloslide Latex test. - Answer: negative ; positive
A mannitol salt agar plate is shown below with an unknown
Staphylococcus species. The species is most likely: - Answer: S.
epidermidis
A coagulase plasma test is shown below with an unknown
Staphylococcus species. The species is most likely: - Answer: S. aureus
Questions (Frequently Tested) and
Complete Solutions Graded A+
Portage Learning
Professional Academic Assistance Services
Services Offered
• Proctored Exam Assistance
• Online Class Management (Full Course Support)
• Exam Preparation & Study Materials
• Assignments and Coursework Support
• Essay and Research Paper Writing
• Discussion Posts & Responses
• Editing and Proofreading
• Confidential Academic Consultation
Contact Information
Email:
WhatsApp link: https://wa.me/254704846336
Fast Response | Confidential | Reliable Academic Support
Helping Students Achieve Academic Excellence
Pyrazinamide inhibits fatty acid synthesis in the membranes of
Mycobacterium tuberculosis. Pyrazinamide is an example of a - Answer:
Narrow spectrum antibiotic
,Macrolides bind to the 23S rRNA in the 50S subunit of bacterial
ribosomes and interfere with amino acid entry to the ribosome.
Macrolides interfere with - Answer: Translation
What is the difference between an antibiotic and an antimicrobic? -
Answer: There is no longer a clear difference since most antibiotics are
synthetically modified now
Influenza (the flu) and Covid-19 are infections caused by viruses.
Therefore, antibiotics are completely ineffective at treating these
infections. - Answer: True
If you have the flu, you should get an antibiotic prescription from your
doctor. - Answer: False
Tetracycline inhibits protein synthesis in bacterial cells by blocking
peptide extension in the ribosome. It slows bacterial growth,
preventing new bacterial cells from being formed, but does not directly
kill the cells it enters. Tetracyclin is an example of a __________
antimicrobic. - Answer: bacteriostatic
Resistance to novobiocin is characteristic of - Answer: S. saprophyticus
, Beta hemolysis is characteristic of - Answer: S. aureus
This species typically has a golden yellow water-insoluble pigment. -
Answer: S. aureus
This species cannot ferment mannitol - Answer: S. epidermidis
When a sample of this species is mixed with blood plasma, it causes the
plasma to solidify. - Answer: S. aureus
An unknown species of Staphylococcus does not produce coagulase but
does produce Protein A. The unknown will give a _____________ result
on the plasma coagulase test and _____________ result on the
Staphyloslide Latex test. - Answer: negative ; positive
A mannitol salt agar plate is shown below with an unknown
Staphylococcus species. The species is most likely: - Answer: S.
epidermidis
A coagulase plasma test is shown below with an unknown
Staphylococcus species. The species is most likely: - Answer: S. aureus
