MICR 3050 Final Exam Study Guide
Questions and Answers
Who is credited with the smallpox vaccine? - Answer-Jenner
Who is credited with identifying the bacterium that causes tuberculosis? - Answer-Koch
Who is credited with the rabies vaccine? - Answer-Pasteur
Who is credited with disproving spontaneous generation? - Answer-Pasteur
Who is credited with the discovery of bacterial endospores? - Answer-Cohn
Who is credited with discovering bacteria? - Answer-Leeuwenhoek
Who is credited as the "Father of Modern Surgery"? - Answer-Lister
Who is credited with showing that microbes carry out fermentations? - Answer-Pasteur
What are three ways in which you can increase the resolution of a bright-field microscope? - Answer--
shorten wavelength
, - increase refractive index
- use oil, trapping light rays
What is the purpose of a gram stain? - Answer-A differential stain that allows you to classify bacteria as
either gram-positive or gram-negative
What is the purpose of a acid-fast stain? - Answer-the purpose of the acid-fast stain is to differentiate
between the myobactriace family of bacteria from all other bacteria
What is the purpose of a endospore stain? - Answer-Bacterial endospore stains one color while
vegetative cell gets stained another color
What is the purpose of a negative stain? - Answer-Capsules are colorless against a stained background
What is a general purpose culture media? - Answer-Supports the growth of many microorganisms
What is a differential culture media? - Answer-distinguish between different groups of microorganisms
based on their biological characteristics
What is a selective media? - Answer-contains one or more agents that inhibit growth of some microbes
and encourage growth of the desired microbes
What is the cell size range for eukaryotes? - Answer-0.8 um - hundreds of um
What is the cell range for prokaryotes (Bacteria/Archaea)? - Answer-0.2 um - 750 um
What is the cell range for viruses? - Answer-0.01 um - 1 um
Questions and Answers
Who is credited with the smallpox vaccine? - Answer-Jenner
Who is credited with identifying the bacterium that causes tuberculosis? - Answer-Koch
Who is credited with the rabies vaccine? - Answer-Pasteur
Who is credited with disproving spontaneous generation? - Answer-Pasteur
Who is credited with the discovery of bacterial endospores? - Answer-Cohn
Who is credited with discovering bacteria? - Answer-Leeuwenhoek
Who is credited as the "Father of Modern Surgery"? - Answer-Lister
Who is credited with showing that microbes carry out fermentations? - Answer-Pasteur
What are three ways in which you can increase the resolution of a bright-field microscope? - Answer--
shorten wavelength
, - increase refractive index
- use oil, trapping light rays
What is the purpose of a gram stain? - Answer-A differential stain that allows you to classify bacteria as
either gram-positive or gram-negative
What is the purpose of a acid-fast stain? - Answer-the purpose of the acid-fast stain is to differentiate
between the myobactriace family of bacteria from all other bacteria
What is the purpose of a endospore stain? - Answer-Bacterial endospore stains one color while
vegetative cell gets stained another color
What is the purpose of a negative stain? - Answer-Capsules are colorless against a stained background
What is a general purpose culture media? - Answer-Supports the growth of many microorganisms
What is a differential culture media? - Answer-distinguish between different groups of microorganisms
based on their biological characteristics
What is a selective media? - Answer-contains one or more agents that inhibit growth of some microbes
and encourage growth of the desired microbes
What is the cell size range for eukaryotes? - Answer-0.8 um - hundreds of um
What is the cell range for prokaryotes (Bacteria/Archaea)? - Answer-0.2 um - 750 um
What is the cell range for viruses? - Answer-0.01 um - 1 um
