Microbiology correct answers Science of microorganisms/microbes
Do microbial cells differentiate? correct answers No, they associate with similar cells into populations and communities
T or F
Microorganism is an all encompassing word correct answers False. Microbe is
Who first saw fruitin...
Do microbial cells differentiate? correct answers No, they associate with similar cells into
populations and communities
T or F
Microorganism is an all encompassing word correct answers False. Microbe is
Who first saw fruiting bodies correct answers Hooke
Who first saw bacteria and improved the microscope correct answers Leeuwenhoek
T or F
We know a lot about the microorganisms on earth correct answers False.
Basis for life correct answers Metabolism
Growth
Reproduction
Gen. Variation
Env. Response
Homeostasis
Most and least abundant macromolecules correct answers Polypeptides and nucleons acids
Why aren't viruses considered to be alive correct answers Don't replicate out of host cell,
little biochemical activity outside of host cell, inert outside of host cell
How long did microbes dominate the planet correct answers 3.5 billion years
Miller and Urey Experiment correct answers Simulated spark that caused formation of
original molecules
Requirements for early life correct answers Genetic info storage
Catalyze biochemical reactions
Separate cell interior from external env.
What is the function of ribozymes correct answers They're a reaction catalyst, store genetic
info, and can self replicate
What may have been an early form of a plasma membrane correct answers Micelles
___ is the process of changing DNA to RNA correct answers Transcription
___ is the process of changing RNA to proteins correct answers Translation
, What is endosymbiotic theory correct answers Prokaryote ingested others and they formed a
symbiotic relationship
Difference between heterotroph and autotroph correct answers Autotroph produces organic
molecules and heterotrophs ingest them
If there is an abundance of oxygen after glycolysis... correct answers Aerobic respiration
Oxygen is electron donor
Get 36 ATP
If there is no oxygen after glycolysis... correct answers Fermentation which leads to lactate or
ethanol. Organic carbon is the electron donor and acceptor
What type of respiration uses other elements as donor and acceptor correct answers
Anaerobic respiration
Who disproved spontaneous combustion and made vaccines correct answers Pasteur
How did the theory of spontaneous combustion get disproved correct answers Sterile broth
experiment in which microbes only grew after contact with the broth
Who made rules for determining disease causing microbes correct answers Koch
Briefly explain Koch's postulates correct answers PROVEN IF:
1. Microbe is in those with disease and not those w/o
2. Pure culture
3. Put microbe in healthy host
4. Recover microbe from host
T or F
Viruses aren't alive because they can't replicate or evolve correct answers F they can but not
without a host
T or F
The first photosynthetic organism was Cyanobacteria correct answers F. It arose quickly,
however the first was anoxygenic organisms which don't produce oxygen. Thus limiting
atmosphere
T or F
Endosymbiotic theory states an archaeol organism swallowed a bacterial organism correct
answers True.
Which morphology is best in viscous fluids correct answers Spiral
List the multicellular organizations of bacteria correct answers Hyphae, Mycelia, Trichomes
List the following in decreasing size:
Proteins, bacteria, eukaryotes, viruses correct answers Eukaryotes
Bacteria
Viruses
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