kingdom for virus prokaryota monera l.
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?Kingdom for virus? (Prokaryota & Monera). Virus Ch 18.1 Prokaryotes = no membrane bound organelles (no nucleus or mitochondria). Warts are a skin virus!. Virus structure :. Protein Coat DNA or RNA for replication Adsorb-tion site Host specific. Nonliving Not cells

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kingdom for virus prokaryota monera

?Kingdom for virus? (Prokaryota & Monera)

Virus Ch 18.1

Prokaryotes = no membrane bound organelles (no nucleus or mitochondria)

virus structure
Virus structure:
  • Protein Coat
  • DNA or RNA for replication
  • Adsorb-tion site
  • Host specific
are viruses living or non living
Nonliving

Not cells

Few of life’s criteria

No respiration

No growth

No development

Can be crystalline, dormant

Living

Replicate (with host)

Contain DNA,RNA

Contain protein coat

Are viruses living or non-living?
4 bacteriophage
4..Bacteriophage
  • Bacteria “eating” virus
  • Virus uses the bacteria as a host
  • For Viral replication
plant peach virus
Plant peach virus

5.Virus can infect

  • Plants
  • Animals
  • Bacteria
cow pox vaccination 1749
Cow pox vaccination 1749
  • Acquired Immunization
  • Artificial injection of a small amount of virus
  • Body’s immune response makes antibodies
lytic cycle replication of a virus aviral
Lytic Cycle (Replication) of a Virus - “AVIRAL”

3. Replication of

Viral DNA

  • Adsorption of virus onto the host

5.Lysis of

Host cell

Membrane

& release

Of virus

4. Assembly of

protein coat

2. Insertion of

Virus DNA

into host cell

hiv virus infects t cells
HIV virus infects T-cells
  • HIV virus Weakens the immune system
  • AIDS patients die of “common” diseases when T cell (WBC) count falls
transduction
Transduction:

Viral DNA becomes inserted

Into the Bacteria DNA (1/100,000)