The Fimbriae and pili are both composed of proteins
- True or False
What is True
The type of troph for an organism that oxidizes hydrogen and fixes CO2
What is Chemolithoautotroph
What is Antoni van Leeuwenhoek?
The structure that is involved in the genetic exchange (conjugation) between cells
What is pilus
The type of media that inhibit the growth of some microbes
What is Selective
The scientist who built the first compound microscope
What is Robert Hooke?
Select all that apply: Which are functions of pili?
1. cell adhesion
2. defense by poking holes in other cells
3. exchange of genetic material
4. twitching motility
What is all but 2.
The type of media used to culture fastidious microbes, particularly pathogens
What is Enriched
The scientist that was the first to disprove spontaneous generation.
(Hint: used sealed and unsealed jars to demonstrate this)
What is Francesco Redi?
Select all that apply: What are functions of capsules or slime layers?
1. development and maintenance of biofilms
2. evasion of destruction by immune cells
3. attachment to solid surfaces
4. protection for osmotic lysis
What is all but 4.
The point of using oil immersion
What is it increases the resolving power of the microscope by replacing the air gap between the immersion objective lens and cover glass with a high refractive index medium and reducing light refraction
The scientist that discovered lithographs and developed enrichment culture
What is Sergei Winogradsky?
The scientist that ordered doctors to wash their hand w/ chorine
What is Ignacio Semmelweis?