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Microbiology-107
Question | Answer |
---|---|
Microbiology is... | the study of living things, too small to be see without aid. |
Bacteria are... | Prokaryotes |
Fungi & Protozoa are... | Eukaryotes |
Viruses are... | Acellular |
How do prokaryotic & eukaryotic cells differ? | Eukaryotes are: •Bigger than prokaryotes •Have membrane bound organelles •Have a nucleus |
What are the 2 components of a virus? | -nucleic acid genome -protein capsid that covers the genome |
Who was the first to see/introduce a cell? | Robert Hooke |
Who was the first to see bacteria? | Anton van Leevwenhoek |
What is the obsolete theory? (Abiogenesis) | “Living things come from other living things” |
Which scientists refuted abiogenesis theory. (Using Open, Sealed, & Covered Jar Experiment) | Francesco Redi |
Also refuted abiogenesis theory. | Lazzaro Spallanzani |
who is the father of microbiology? | Louis Pasteur (Disproved Abiogenesis once and for all) |
Most bacteria are (measurement) | 1-10 um (micrometers/microns) |
Most viruses are (measurement) | 10-100 nm (nanometers) |
Virchow’s Cell Theory States... | -A cell is the basic unit of life -All living things are made of one or more cells -All cells come from pre-existing cells |
What are the 3 domains? | Bacteria, Archaea, Eukarya |
Taxonomy is... | classification of different organisms |
What subatomic particles make up an atom? | Protons, Neutrons, Electrons |
What 6 elements compose 98% of the mass of living things? | C, H, N, O, P, S |
How can you find the # of electrons? | # of neutrons - # of protons = # of electrons |
Define Isotopes | Atoms with the same # of protons, but different # of neutrons |
Define Ionic Bond | Electrons are donated from one atom to another |
Define Covalent Bond | Electrons are shared between two atoms |