AHM 220 - All Power Points (Microbio)
Questions And Answers Latest Update
Microbiology - Answers The study of microorganisms (living and
non-living)
Example: bacteria, archaea, algae, protozoa and fungi
Bacteria - Answers Is a prokaryotes (lacks a nucleus), but its cell
walls has a mesh like structure called "peptidoglycan" or "murein"
Archaea (obligate anaerobes) - Answers Its similar to bacteria but is
a prokaryotes (lacks a nucleus) and has no interior cell membrane
Algae - Answers a very simple plant without stems or leaves that
grows in or near water.
Protozoa (eukaryote) - Answers This feeds on organic matter
Fungi (eukaryote) - Answers This is found in soil and on
decomposing organic matter
, Q&A
Acellular microbes (Virus / poison) - Answers *Are non living or
infectious particles
*Usually has RNA or DNA, and replicates by invading a live host of
humans, animals, plants or bacteria
Example: viroids (hepatitis D), prions (fatal familia insomnia), and viruses
Viroids (Acellular) - Answers *Is mainly a plant pathogen and is a
"coiled" naked RNA molecule
Prions (Acellular) - Answers an infectious agent that causes fatal,
and transmittable neurodegenerative diseases in both humans or animals
Virus (Acellular) - Answers This replicates only inside living cells
Acellular - prion - Answers *Discovered by Stanley Pruisner
* He found out that is converts normal protein to non functional such as the
"mad cow" disease
**Cellular organism - divided into 3 domains of life - Answers
Archaea - Thrives in extreme: heat, cold, acid base, salt, pressure and
radiation
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