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BIO 205 (Microbiology) (questions with 100- correct answers).
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BIO 205 (Microbiology) (questions with 100- correct answers).
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BIO 205 (Microbiology)(questions with 100%
correct answers)
Describe the theories of spontaneous generation
and biogenesis. Which theory is believed to be
correct today? How was this theory proven? -
answer Spontaneous generation: The idea that
life comes from non living material
Biogenesis: You have to have pre-existing life to
produce new life.
What is a domain in taxonomy and how is it
defined? - answer The three domains are bacteria,
archaea, and eukarya. 1. Bacteria: These are
prokaryotic. There is eubacteria, which means true
bacteria. These are what cause human, animal, and
plant diseases. The true bacteria includes
cyanobacteria, which is blue green algae that we
see around sometimes.
2. Archaea: Archarbacteria is also prokaryotic.
Archaebacteria lacks a peptidoglycan in a cell wall
and they are unusual. They are not known to cause
bacteria in humans or animals. The different types
of archaebacteria include extremophiles, which is
comethinf that can live in a very hot environment.
,Extreme halophiles means salt lover or really high
in salt concentration. An example of this would be
the dead sea. Extreme anaerobes means extremely
high in O2 toxicity or methane. An example of this
would be methane from a cow.
3. Eukarya: This includes algae, fungi, protozoa,
and viruses.
Taxonomy is basically common names versus
scientific names. Common names are a lot easier to
remember and spell. It is also easier to speak. The
problem with common names is that there are
different meanings for each thing. For example, in
America, a robin is a brown bird with a red breast
but in Europe, even though it is still called a robin,
it is a completely different bird. This is where
scientific names come in. Even though they are
harder to pronounce, they are more correct and
people won't get confused because there is a
different scientific name for everything.
What is binomal nomenclature? Why use scientific
names for organisms? - answer We have to use
scientific names so that people don't get confused
with the names when they mean two different
things. Binomal Nomenclature is a system for
giving each organism a two-word latin name that
consists of the genus name followed by the species
name
, Write the complete, correct scientific name for 2
different bacteria- no abbreviations - answer
Staphylcoccus
Micrococcus
(Underlined of course)
What are Whitaker's 5 kingdoms? What organisms
belong in each one? In which domain do each
kingdom fit? - answer kingdom monera, kingdom
protista, kingdom fungi, kingdom plantae, kingdom
animalia
For each of the following bacterial structures
provide a brief explanation of their function...
1. Cell membrane
2. Fimbriae and Pili
3. Flagella and axial filaments
4. Bacterial chromosomes
5. Inclusion bodies
6. Ribosomes
7. Plasmid - answer 1. The cell membrane marks
the cell boundary inside and outside. It provides
some protection. The cell membrane is semi-
permeable, which means some things can get in
and out of the cell. It has selective transport. It has
a phospholipid bilayer.
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