Chapter 1- Introductory Flashcards
What’s the name for a living organism that is too small to see individually by the unaided eye?
Microbe
What is bigger, a yeast cell or E. coli?
Yeast cell
What are the three domains?
Bacteria, archaea, and eukarya
What organisms are under the domain eukarya?
Protists, fungi, plants, animals
Are viruses living or non living?
Non living
Bacteria are __________, with cell walls made of ____________. They reproduce by using __________________. Some species are _____________.
Prokaryotes; peptidoglycan; binary fission; photosynthetic
Archaea are _________. If cell walls are present, they lack ____________.
Prokaryotes; peptidoglycan
Fungi are ___________ with cell walls that contain _________. They reproduce ___________ and ______________. Fungus are heterotrophic, which means they don’t undergo photosynthesis.
Eukaryotes; chitin; asexually, sexually; photosynthesis
Algae is a __________ with cell walls that contain ___________. Like fungus, they also reproduce _____________ and ___________. However, algae is __________ meaning, they undergo photosynthesis.
Eukaryotes, cellulose, sexually and asexually, autotroph
What do you have to use to see viruses?
Electron microscope
What do viruses use for genetic information?
A nuclei can acid core packaged in a protein coat (can be DNA or RNA)
Stapphylo-
Spherical
At what temperature does water freeze? What’s room temperature, human body temperature?
0 C
22-25 C
37 C
Cocci
Cells
Gold-colored
aureus
Who discovered E. coli?
Thedor Escherich
Where do you find E. coli and what does it do?
large intestine, or colon; leading cause of diaahrea
What three things increased life expectancy in the 1900s?
vaccines, public health, antibiotics
8 benefits of microbes
- recycle vital nutrients
- sewage treatment & bioremediation
- pest control
- industrial processes
- food
- antiobiotics & medicines
- research
- normal microbiota
What does Bacillis thuringiensis do?
It’s a crystal bacterial pesticide that, when ingested by insects, is toxic
