Viruses - introduction Flashcards
1
Q
Why cant viruses be placed into a kingdom ?
A
Because they show characteristics of both living and non-living organisms.
2
Q
what can viruses be described as ?
A
infectious particles.
3
Q
wha t is the word to best describe micro-organisms which cause diseases?
A
pathogenic
4
Q
what is the study of virus called? (hint it’s similar to the word)
A
virology
5
Q
Give 4 human necessities which virus do not do:
A
- breathe
- eat
- respire
- respond to stimuli
6
Q
can viruses reproduce? if yes, how?
A
yes viruses can reproduce but they need to be inside a living cell hence they are obligate endoparasites
7
Q
define obligate endoparasite:
A
parasite that relies complete on a host for its habitat, nourishment, reproduction and survival.
8
Q
why can we say that viruses are host specific?
A
because a certain virus will only attack a certain tissue.
