viruses Flashcards
why can viruses not be placed into any of the kingdom
they are non living. they show characteristics of non living and living organisms
what re pathogens
micro organisms that cause diseases
can viruses reproduce
hence what are they known as
yes they can but only when they are in a living cell
hence they are known as endoparasites
what parts pf the body do virus attack
they only attack a certain type of tissue. therefore they are known to be host specific
characteristics
what do viruses that infect plants cells contain
RNA
characteristics
what do viruses that infect animals cells contain
either RNA or DNA
characterisitics
what are viruses that infect bacteria cells known as and what do they contain
they are known as bacteriophages and they ahve a nucleic core of DNA
characteristisics
what encloses a nucliec core of DNA or RNA
the outer protein coat or capsid
