Lecture Exam 1
Last Modified: 2014-08-02
What is microbiology?
study of microbes or microorganisms
What are the different scopes of microbiology?
viruses, bacteria, protozoas, algae, fungi, helmithes (worms)
What is the size of viruses?
tiniest (10-100 nm) nanometer
What is the size of bacteria?
What is the size of fungal spores?
1 mm (milimeter)
Is a mushroom considered a microorganisms?
a prominent difference between prokaryotic and eukaryotic cells is the.....
presence of nucleus in eukaryotes
Which early microbiologist was responsible for developing lab techniques?
Which scientists is responsible for finally laying the theory of spontaneous generation to rest?
True or False. Bacteria and archaea prokaryotes.
How would you classify a virus?
Neither prokaryotes or eukaryotic because it is NOT living
What are the three domains of life?
bacteria, archaea, & eukarya
What (kingdom) is bacteria and archaea in?
List the roles of microbes.
Who was Antonie van Leeuwenhoek?
creator of 250 microscopes
-1st person to faithfully record findings
-"father of bacteriology & protozoology"
Who is Joseph Lister?
-1st to introduce aseptic techniques involved disinfecting also sterilization
Who is Louis Pasteur?
-father of microbiology
-completed first studies showing human disease could arise from infection
List the FOUR Points of Koch's postulates?
pathogen must be present in ALL cases of disease
path. can be isolated from disease host & grow in pure culture
path from pure cult must cause disease when inoculated into healthy host
path must be re isolated from new host and shown=original path
What is a macromolecule?
large building blocks or organisms
What is a polymer made of?
monomer subunits via process of condensation/dehydration
What is the bond that carbon and hydrogen atoms are held together by?
Carbon atoms form ____ bonds with other atoms.
A ____ is a monomer of the molecule carbohydrate.
Carbohydrate is the major component of what structure?
Carbohydrates are made up of what?
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