Viruses And Bacterja Flashcards
What are the 2 domains
Bacteria and Achaea
What is the kingdoms of the 2 domains
Bacteria - eubacteria
Achaea- archaebacteria
Bacteria and archaea consist entirely of _____ and they are size ___
Prokaryotic (1-10um)
DNA of bacteria is found in
Cytoplasm
Spherical -
Rod-
Spirllum-
Spherical - coccus
Rod- bacillus
Spirillum- spirochetes
Autotrophs ____
Make there own food
Heterotrophs ___
Obtain energy from the food they eat
If a prokaryotic gets its food from dead organism it’s a _____ if it gets its food from a living thing it’s a ____
Dead thing- decomposer
Living - parasite
Conjugation is when
2 prokaryotic approach each other and form a bridge genetic material is then exchanged
Spore formation
Not a true form of reproduction
Check photo image
Bacteria or Aracheaa is the largest?
Bacteria
Bacteria is found in_____
Fresh salt water, on land , and in bodies of human
Bacteria cell wall is composed of
Peptidogycan
Achaea lack
Petidogycan and also cell membrane contain diffrent lipids
Achaea live in___
Harsh environments such as extremely salty and hot springs w temp of boiling
Archaeas can produce ____ gas
Methane gas
Benefits of bacteria include
- Vital for good health
- Can be used to synthesize drugs and chemical use
- Can be used in medicine , industrial chemistry and food production
- some can digest petruleoum jelly and remove human waste products
Bacteria growth is measured by
Increase in number rather than size
Bacteria Grow by (factors)
Moisture, temp, Ph
Virus are _____ than the smallest cell
Smaller
Viruses have size
20-400 nm
Some viruses have a coat called
Capsid
The 4 Shapes of viruses include
Helical, polyhedral, enveloped or complex
Viruses family name ends in___
Genus name ends in____
- Viridae
2. Virus
Virus idneticatiom include
- RNA or DNA
- Enveloped or not
- Capsid shape
- Host they infect
Virus can know what cell it’s Attaching to by
Matching its surface marker with receptor site on cell
