Microbiology 2420: Exam 1 Test
Questions and Answers.
what are microbes? - Answer microorganisms; living things that are too small to be seen
with the naked eye
explain cell theory - Answer cells are the basic unit of all organisms; developed by Robert
Hooke
what is biogenesis? - Answer the idea that living things come from other living things
who developed the concept of biogenesis? - Answer Rudolf Virchow -- although he didn't
actually have proof
what is spontaneous generation? - Answer something arises from nothing -- thought that
maggots just came about from decaying stuff for no obvious reason
who developed the idea of aseptic technique? - Answer Joseph Lister
who first tried to disprove spontaneous generation? - Answer Franceso Redi -- experiment
with decaying meat and maggots
who attempted to rekindle the idea of spontaneous generation? - Answer John Needham --
used chicken broth is flasks, but let the broth cool before sealing -- therefore letting in microbes
who finally disproved the idea of spontaneous generation? - Answer Lazzaro Spallanzani --
reconstructed needham's experiment but this time transferring boiling chicken broth and
capped right away
who is the father of microbiology? - Answer Louis Pasteur
what did Louis Pasteur contribute to microbiology? - Answer idea of fermentation and
development of pasteurization
what is pasteurization? - Answer the idea of applying heat to something with the goal of
reducing the number of microbes present in the substance
Questions and Answers.
what are microbes? - Answer microorganisms; living things that are too small to be seen
with the naked eye
explain cell theory - Answer cells are the basic unit of all organisms; developed by Robert
Hooke
what is biogenesis? - Answer the idea that living things come from other living things
who developed the concept of biogenesis? - Answer Rudolf Virchow -- although he didn't
actually have proof
what is spontaneous generation? - Answer something arises from nothing -- thought that
maggots just came about from decaying stuff for no obvious reason
who developed the idea of aseptic technique? - Answer Joseph Lister
who first tried to disprove spontaneous generation? - Answer Franceso Redi -- experiment
with decaying meat and maggots
who attempted to rekindle the idea of spontaneous generation? - Answer John Needham --
used chicken broth is flasks, but let the broth cool before sealing -- therefore letting in microbes
who finally disproved the idea of spontaneous generation? - Answer Lazzaro Spallanzani --
reconstructed needham's experiment but this time transferring boiling chicken broth and
capped right away
who is the father of microbiology? - Answer Louis Pasteur
what did Louis Pasteur contribute to microbiology? - Answer idea of fermentation and
development of pasteurization
what is pasteurization? - Answer the idea of applying heat to something with the goal of
reducing the number of microbes present in the substance
