(P) Lec 1: Bacterial Morphology and Ultrastructure, Physiology, Metabolism, Genetics and Nutrition (Part 1) Flashcards
This prefix means that it “cannot be seen with the naked eyes”
Micro (penis)
What are the 5 important microbial groups?
- Prions
- Viruses
- Bacteria
- Fungi
- Parasites
In which kingdom do microorganisms belong to?
Protista
Microorganisms include what 2 subgroups?
Prokaryotes and Eukaryotes
TOF: Not all of the important microbial groups are under the classification of Prokaryote or Eukaryote
True (e.g. prions and viruses)
TOF: Prions and viruses are cells
False (they are NOT cells)
Identify if Prokaryote or Eukaryote:
Bacteria
Prokaryote
Identify if Prokaryote or Eukaryote:
Parasites, Fungi, Plants, and Animals
Eukaryote
Identify if Prokaryote or Eukaryote:
Smaller in size
Prokaryote
Identify if Prokaryote or Eukaryote:
Larger in size
Eukaryote
Identify if Prokaryote or Eukaryote:
Has a true nucleus with a nuclear envelope
Eukaryote
Identify if Prokaryote or Eukaryote:
Has no true nucleus
Prokaryote
Identify if Prokaryote or Eukaryote:
The cytoplasmic structure is less complex and harbors less structures/organelles
Prokaryote
Identify if Prokaryote or Eukaryote:
The cytoplasmic structure is more complex and harbors more structures/organelles
Eukaryote
Identify if Prokaryote or Eukaryote:
The cell wall is more complex
Prokaryote
Identify if Prokaryote or Eukaryote:
The cell wall is less complex
Eukaryote
TOF: Prokaryotes have a nucleoid and nuclear membrane
False (no nuclear membrane)
What is the average size range of a prokaryote?
Around 1-10 micrometers
These are infectious particles associated with subacute, progressive, and degenerative diseases of the CNS
Prions
These are aka abnormally/misfolded proteins
Prions
What are examples of diseases caused by prions?
Creutzfeldt-Jakob Disease (CJD) and Mad Cow Disease
A degenerative disease of the brain associated with “Kuru” (cannibalism in Papua New Guinea) wherein female tribe members eat the brains of the corpses
Creutzfeldt-Jakob Disease (CJD); caused by a prion
What is the smallest among the important microbial groups?
Prions
These are acellular, obligate intracellular parasites, that are not visible with the light microscope
Viruses