Viruses - chracteristics Flashcards
1
Q
List the 9 characteristics of viruses:
A
- ultramicroscopic
- acellular with no cytoplasm or organelles
- no metabolic activities present
- host specific
- obligate endoparasites
- parasitic
- most pathogenic
- some have outer covering m=from host cell’s plasma membrane
- antibiotics do not work since they are not living
2
Q
can viruses be seen with any microscopes?
A
no only electron microscopes
3
Q
Are viruses acellular or multicellular?
A
acellular and the also do not have any cytoplasm or organelles
4
Q
Are there any metabolic activities present in viruses?
A
no
5
Q
are viruses host specific?
A
yes
6
Q
viruses obligate endoparasites?
A
yes
7
Q
viruses parasidic?
A
yes
8
Q
viruses pathogenic?
A
yes
9
Q
some viruses may have extra outer covering made of…?
A
hosts cell plasma membrane
10
Q
why are antibiotic ineffective against viruses?
A
the are non living
