hiv and viruses Flashcards
1
Q
HIV infects and eventually kills…
A
Helper T cells
2
Q
What is the structure of a HIV virus
A
It has a capsid, an envelope, an attachment protein, RNA and reverse transcriptase
3
Q
attachment
A
The attachment protein attaches to a receptor molecule on the cell membrane of a helper T cell(cd4)
4
Q
fusion
A
it fuses with the cell
5
Q
What is the role of attachment proteins?
A
Allow the virus to cling onto a suitable host cell
6
Q
capsid is released
A
hiv rna and revrse transcriptase and other viral proteins enter host cells
7
Q
reverse transcription
A
viral dna is formed by reverse transcription