HIV and AIDS Flashcards
draw and lable this HIV virus
https://www.toppr.com/ask/question/name-the-virus-and-labels-given-in-the-figure/
how does HIV replicate
inside helper T cells
stage 1
HIV binds to h…. T helper cell agni… re……… (via att…….. pr……)
hoast
antigen receptor
sttachment protein
stage 2
vi… cas… and ho…. cell membrane f….
R.. and reve…. tra……… enter the T helper cell
viral caspid
hoast
fuse
RNA
reverce transcriptase
stage 3
R………. t…………… is used to make a comp………… strand of DNA from vir… R.. template
from this d……. str…… DNA is made
Reverce transcriptase
complementary
viral RNA
double stranded
stage 4
this D.. is inserted into h….. cells dna
DNA
host
stage 5
vi… DNA is trans…… inti m…containing instructions to make new v…. pro…… using host cells en……
viral
transcribed
mRNA
viral proteins
enzymes
stage 6
m… is translated into vi… pr……. and assembled into vir…. (offspring virus) which are released from the cell and go and i…… other cells
mRNA
viral proteins
virions
infect
many .. cells are destroyed
.. cells are not stimulated to produce anti……
.. cells are not stimulated to kill infected cells including c…..
mem…… cells are also infected and destroyed
t
b
antibodies
th
cancer
memory
describe the link between hiv and aids
if hiv isnt treated it can lead to aids
what does aids stand for
accquited immune deficiency syndrome
overall the imm…. responce is comp……. so thers more sus……. opportun….. infections+cencers
as aids develops infections become more serious as the immune system gets w…..
immune responce
compramised
suseptible opportunistic
weaker
hiv doesnt kill individuals directly
if a person becomes infected and their imm…. sys… cannot respond to the infection effectively which leads to d….
immune system
death
common sytoms
d
t
p
diarrhoea
tuberculosis
peunomia
