Parcial Exam Of January Flashcards
They are made of RNA and it causes to plants and trees:
Viroids
Any living organism or particle* that can cause an infectious disease:
Pathogen
They are made of DNA and it causes to living things:
Viruses
is an infectious particle made only of proteins:
Prions
What is the measure of the viroids?
5-150 nm
What is the measure of the viruses?
50-200 nm
What is the mesure of the prions?
2-10 nm
is made up of genetic material surrounded by a protein shell:
Capsid
Layers of the viruses:
Nucleic acid
Capsid
Lipids
are viruses that infect bacteria:
Bacteriophages
breaking apart, of the host cell and release of new viral particles:
Lytic infection
Does not destroy the host cell:
Lysogenic infection
is the phage DNA inserted into the host cell’s DNA:
Prophage
How many viruses cause the illness that we call the common cold?
200 viruses
a substance that gets the body’s immune system to prepare a response against a virus:
Vaccine
rapid outbreaks that affect many people:
Epidemics
is often called the flu for short:
The influenza
appeared in Asia in 2002:
SARS
is a type of virus called a retrovirus:
HIV
Type of prokaryotes that cannot survive in the presence of oxygen:
Obligate anaerobe
What type of prokaryote needs oxygen to survive?
Obligate aerobe
What type of prokaryote can survive whether or not oxygen is present?
Facultative aerobe
is a small piece of DNA that replicates separately from the main chromosome:
Plasmid
is a long structure outside of the cell that is used to move:
Flagellum