True or False: Viruses contain organelles
False
What type of organism to viroid's typically infect
plants
Do prions have a protein coat?
No
Describe the shape of a coccus bacteria
sphere
Critique the statement: viruses infect many types of hosts
viruses only infect specific hosts
Give two characteristics of living things that a virus doesn't meet.
can include: Ability to reproduce, use nutrients and energy, grow and develop, and respond to the environment.
How are viroids spread?
seeds or pollen transport them to other plants
What are prions made from
proteins
What is a structure that bacteria have to help them move
flagella
spirillia shaped bacteria
Explain what a pathogen is
an infectious agent.
How are viruses and viroids similar
both are infections particles and contain genetic material. both are nonliving.
How do prions affect living things
they cause the proteins in a living organism to misfold
Why are bacteria and archaea hard to physically separate into groups?
They are of similar shape and size
Anthrax
What is the genetic material of a virus
DNA or RNA
What is the genetic material of a viroid?
RNA
What prion disorder affects the cattle industry
Mad Cow Disease
What is the difference between gram positive and gram negative bacteria
the amount and placement of peptidoglycan protein
What survival strategy do bacteria use to make genetically unique offspring
Gene exchange
The outside of all viruses are composed of what macromolecule: Carbohydrates, Lipids, Proteins or Nucleic Acids
Protein
Why are viroids a problem for people?
They produce a lot of damage to the economy by infecting resource plants.
Why is the transmission of prions a silent killer
prions can exist in a host for years without symptoms
What physical characteristic do archaea have that make them different from any other organism on the planet
a specialized lipid coating
What cycle of viral infections include a host cell bursting
Lytic