Microbiology Exam 1 100 Questions
and Answers
Endospore - answerAllows the bacteria to survive under extreme conditions.
Microorganisms - answerBeneficial and harmful
Pasteur - answerExperiment with S neck flask. All microorganisms were killed. Heat
was involved, no contamination because is S shape. Proved Biogenesis.
Why aren't viruses placed in the 3 domains? - answerThey are not composed of cells.
Obligate parasites. Need a host to replicate.
Gram positive rod shaped bacteria, next step once you've isolated it? -
answerEndospore staining
Structure of gram positive cell wall - answer...
Structure of gram negative cell wall. - answer...
Difference between pili and fimbriae - answerFimbriae are numerous(2-100's), evenly
distributed, adhere, form biofilms, (gonorrhea )
Pili are longer, fewer (1-2), involved in motility and DNA transfer, conjugation.
and Answers
Endospore - answerAllows the bacteria to survive under extreme conditions.
Microorganisms - answerBeneficial and harmful
Pasteur - answerExperiment with S neck flask. All microorganisms were killed. Heat
was involved, no contamination because is S shape. Proved Biogenesis.
Why aren't viruses placed in the 3 domains? - answerThey are not composed of cells.
Obligate parasites. Need a host to replicate.
Gram positive rod shaped bacteria, next step once you've isolated it? -
answerEndospore staining
Structure of gram positive cell wall - answer...
Structure of gram negative cell wall. - answer...
Difference between pili and fimbriae - answerFimbriae are numerous(2-100's), evenly
distributed, adhere, form biofilms, (gonorrhea )
Pili are longer, fewer (1-2), involved in motility and DNA transfer, conjugation.
