UIOWA Microbiology Exam 1 Questions And Correct Revised Answers
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Course
UIOWA Microbiology
Institution
UIOWA Microbiology
UIOWA Microbiology Exam 1 Questions
And Correct Revised Answers
Mitochondria similarity to prokaryotes (bacteria) - answerCircular DNA and 70S ribosomes
70S ribosomes subunits are - answer50S and 30S
70S ribosomes found in - answerProkaryotes (bacteria & archaea) (and
mitochondria/chloroplasts...
UIOWA Microbiology Exam 1 Questions
And Correct Revised Answers
Mitochondria similarity to prokaryotes (bacteria) - answer✔✔Circular DNA and 70S ribosomes
70S ribosomes subunits are - answer✔✔50S and 30S
70S ribosomes found in - answer✔✔Prokaryotes (bacteria & archaea) (and
mitochondria/chloroplasts)
80S ribosomes found in - answer✔✔Eukaryotic cells (algae, fungi, protozoa, helminths and
animals)
80S ribosomes subunits are - answer✔✔60S and 40S
Bacilli - answer✔✔Rod, gram positive, endospores, aerobic or facultative anaerobes
Cocci - answer✔✔Round, gram positive or negative, anaerobic
LPS (lipopolysaccharide) - answer✔✔Outer layer of gram negative bacteria (contains Lipid A
endotoxin)
Gram stain steps - answer✔✔Stain with crystal violet, iodine in place, destain with alcohol,
counterstain with safranin
Two major sugars in peptidoglycan - answer✔✔N-acetylglucoasmine (G) and N-acetylmuramic
acid (M)
Bacteria able to resist osmotic pressure due to their - answer✔✔cell wall
Enzyme functions - answer✔✔Accelerate, bring substrates together, make or break molecular
bonds (does not carry out a reaction that would otherwise not happen)
Four divisions in cell wall structure - answer✔✔Gracilicutes, firmicutes, tenericutes,
mendosicutes
Koch's posulates - answer✔✔Microorganisms in every case of disease, isolated and grown, pure
culture reproduces disease, microorganism recovered from deceased animal
Edward Jenner - answer✔✔Used cowpox to immunize against smallpox
Joseph Lister - answer✔✔Aseptic technique and disinfectants
Ignaz Semmelswis - answer✔✔Hand washing
Paul Ehrlich - answer✔✔Discovered antibiotics
Alexander Fleming - answer✔✔Discovered penicillin
Taxonomy - answer✔✔Classifying and naming life based on shared characteristics
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