Virus Flashcards
1
Q
What are viruses?
A
Too small to be seen in the light microscope
No intracellular structures
Obligate intracellular parasites
Only poliovirus has grown in test tube with ground-up human cells
2
Q
Viral components are _____
A
Nucleic acids, Capsid (protein subunits capsomeres),Envelope (typical belayer membrane), Spikes or Peplomers (made of glycoprotein that help attached to specific receptors), Virion, Naked (only nucleocapsid)
3
Q
Sizes and shapes of viruses
A
Largest one between 1200 and 1500 nm
Typical ribosomes are about 30nm
Complex capsid is combined helical and icosahedral
