MIC 102 Exam 1 Questions with Correct Answers
MIC 102 Exam 1 Questions with Correct Answers Which type of cell is most susceptible to osmotic lysis in an environment with a very low concentration of solutes (hypotonic)? - Answer-Mycoplasma Which of the following cellular structures self-assemble (purified monomers can assemble into the structure without added factors or the input of energy)? - Answer- Flagellar filament Phospholipid bilayer S layer mycoplasma - Answer-only prokaryotic group listed that do not have a cell wall to resist high osmotic pressure caused by water moving into the solute-rich cell While Mycoplasma are highly successful inside the relatively isotonic environment inside a host's body, they do not fare well in hypotonic environments or culture media. how does phospholipid bilayer assemble? - Answer-phospholipid nonpolar tails are attracted to each other to escape the hydrophilic environment surrounding them how does flagellar filament assemble? - Answer-Flagellin aggregates spontaneously at the tip of the flagellar filament during flagellar assembly how does the S layer assemble? - Answer-The S-layer is a lattice of a single protein that will self-assemble into highly-ordered arrays how do pili assemble? - Answer-built of monomers of the protein pilin that are added to the base of the pilus filament
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