MICROBIOLOGY UTA 2460 COMPREHENSIVE
STUDY GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
• Which choice below briefly describes the Kirby-Bauer method of
antimicrobic sensitivity testing....
Answer: disk diffusion
• shorter wavelength equals.
Answer: higher resolution
• The cytochrome oxidase enzyme detected by the oxidase test functions
within the cell as part of....
Answer: the electron transport chain
• Bacteria, archaea & eukaryotes arose....
Answer: 2.9 billion years ago
• acid fast stain.
Answer: Diagnostic tool for detection of mycolic acid and Mycobacterium,
2 types: Ziehl-Neelson method (w/ heat) & Kinyoun method (w/o heat)
• The five I's of studying microorganisms include all of the following
except....
Answer: infection
• Placing organisms at 4C is....
Answer: bacteriostatic
• steps for gram staining.
Answer: 1. Heat fix smear 2. primary stain crystal voilet (stains cells purple
or blue) 3. mordant (iodine) 4. decolorizer (alcohol) Gram (+) will appear
purple/blue Gram (-) will appear colorless 5. counter stain (safranin) Gram
(+) will appear purple/blue Gram (-) will appear pink/red
• Viral capsids are made from subunits called....
, Answer: capsomeres
• If pathogen A is more resistant to an erythromycin disc on a Kirby-Bauer
plate compared to pathogen B, then pathogen A will have a __ zone of
inhibition compared to pathogen B....
Answer: smaller
• In eukaryotic cells, ribosomes have two locations: scattered in the __ and on
the surface of the __ ....
Answer: cytoplasm, edoplasmic reticulum
• The two functions of bacterial appendages are....
Answer: attachment and motility
• A pure culture contains....
Answer: only one identified species of microorganism
• If pathogen A is more resistant to an erythromycin disc on a Kirby-Bauer
plate compared to pathogen B, then pathogen A will have a __ zone of
inhibition compared to pathogen B....
Answer: smaller
• Which choice below lists emerging diseases....
Answer: HIV, SARS, Lassa Fever
• illuminator.
Answer: high intensity bulb below the stage
• __ is the most infectious microbe caused through non-human-to-human
transmission, while __ is the most infectious microbe caused by
human-to-human transmission....
Answer: malaria, measles
• Bacteria living in a freshwater stream that are moved to a salty seawater
would....
Answer: become dehydrated due to the loss of water
• Base pairs in DNA are held together by __ bonds....
Answer: hydrogen
STUDY GUIDE 2026 FULL QUESTIONS AND
SOLUTIONS GRADED A+
• Which choice below briefly describes the Kirby-Bauer method of
antimicrobic sensitivity testing....
Answer: disk diffusion
• shorter wavelength equals.
Answer: higher resolution
• The cytochrome oxidase enzyme detected by the oxidase test functions
within the cell as part of....
Answer: the electron transport chain
• Bacteria, archaea & eukaryotes arose....
Answer: 2.9 billion years ago
• acid fast stain.
Answer: Diagnostic tool for detection of mycolic acid and Mycobacterium,
2 types: Ziehl-Neelson method (w/ heat) & Kinyoun method (w/o heat)
• The five I's of studying microorganisms include all of the following
except....
Answer: infection
• Placing organisms at 4C is....
Answer: bacteriostatic
• steps for gram staining.
Answer: 1. Heat fix smear 2. primary stain crystal voilet (stains cells purple
or blue) 3. mordant (iodine) 4. decolorizer (alcohol) Gram (+) will appear
purple/blue Gram (-) will appear colorless 5. counter stain (safranin) Gram
(+) will appear purple/blue Gram (-) will appear pink/red
• Viral capsids are made from subunits called....
, Answer: capsomeres
• If pathogen A is more resistant to an erythromycin disc on a Kirby-Bauer
plate compared to pathogen B, then pathogen A will have a __ zone of
inhibition compared to pathogen B....
Answer: smaller
• In eukaryotic cells, ribosomes have two locations: scattered in the __ and on
the surface of the __ ....
Answer: cytoplasm, edoplasmic reticulum
• The two functions of bacterial appendages are....
Answer: attachment and motility
• A pure culture contains....
Answer: only one identified species of microorganism
• If pathogen A is more resistant to an erythromycin disc on a Kirby-Bauer
plate compared to pathogen B, then pathogen A will have a __ zone of
inhibition compared to pathogen B....
Answer: smaller
• Which choice below lists emerging diseases....
Answer: HIV, SARS, Lassa Fever
• illuminator.
Answer: high intensity bulb below the stage
• __ is the most infectious microbe caused through non-human-to-human
transmission, while __ is the most infectious microbe caused by
human-to-human transmission....
Answer: malaria, measles
• Bacteria living in a freshwater stream that are moved to a salty seawater
would....
Answer: become dehydrated due to the loss of water
• Base pairs in DNA are held together by __ bonds....
Answer: hydrogen
