Micro Chapter 1

Antoni van Leeuwenhoek was the first person in history to
A. develop a taxonomic system
B. prove the germ theory
C. disprove spontaneous generation
D. use a magnifying glass
E. view protozoa and bacteria

Which of the following scientists provided evidence in favor of the concept of spontaneous generation?
A. Needham
B. Buchner
C. Redi
D. Pasteur
E. Spallanzani

All of the following types of research were begun during the Golden Age of Microbiology EXCEPT:
A. chemotherapy
B. etiology
C. biotechnology
D. recombinant DNA technology
E. epidemiology

All of the following items or processes used in micobiological labs were developed by Robert Koch and his associates EXCEPT:
A. Petri dishes
B. vaccines
C. the use of steam to sterilize growth media
D. the first photomicrograph of bacteria
E. techniqes for the aseptic transfer of microbes

Which of the following scientist was the first to develop a taxonomic system for classifying organisms?
A. Lister
B. Linnaeus
C. Pasteur
D. Needham
E. Leeuwenhoek

All of the follwing are aspects of Pasteur's final experiments to disprove spontaneous generation EXCEPT:
A. the necks of the flasks he used were bent into an S shape
B. he boiled the infusions to kill any microbes present
C. the flasks he used were sealed with corks
D. the flasks were incubated for very long periods of time
E. the flasks he used were free of microbes until they were opened

Which of the following statements concerning Koch's postulates is false?
A. Koch's postulates involve the experimental infection of susceptible hosts
B. Koch's postulates cannot be used to demonstrate the cause of all diseases
C. a suspected pathogen must be found in the majority of individuals with a particular disease.
D. a suspected pathogen must be able to be grown in the laboratory
E. all of Koch's posulates must be satisfied before an organism can be proven to cause a particular disease

The scientist who is credited with the first systemic use of microscopes is
A. Semmelweis
B. Aristotle
C. Leeuwenhoek
D. Koch
E. Linnaeus

In scientific method, a scientist tries to obtain data in order to evaluate a(n)
A. experimental group
B. hypothesis
C. control group
D. dependent variable
E. independent variable

Which of the follwoing is NOT a question that was addressed during the Golden Age of Microbiology?
A. what causes fermentation?
B. how do nucleic acid sequences differ beween species?
C. how can we prevent infection and disease?
D. what causes disease?

True/False: Carl Woese demonstrated that there are two major groups of cells: prokaryotes and eukaryotes.
True False

True/False: In his initial experiments on fermentation, Louis Pasteur showed that bacteria cause wine to spoil by producing acid from grape juice.
True False

True/False: Eduard Buchner's experiments provided evidence that fermentation does not require living cells to occur.
True False

True/False: Lazzaro Spallanzani was the first scientist to provide evidence disproving the spontaneous generation of microorganisms.
True False

True/False: Cells which have membrane-bound organelles and separate nuclei with a double-layer membrane are known as prokaryotes.
True False