, •
Neuroses
microscopic
•
non
living →
only perform reproduction
•
-
intracellular parasites
→
need host to function
obligate
•
pathogenic →
always linked to diseases
•
shapes struc ture
all are symmetrical nucleus present
• •
no
→
helical •
a cellular
→
no organelles or
cytoplasm
→
polyhedral
•
has central core
→
either DNA or RNA
enclosed by protein
→
spherical
•
coat →
capsid
complex have lipid layer / envelope
→ •
some
kin / raises Mauser
HIV human
immunodeficiency virus
•
:
↳
leads to AIDS : acquired immune -
deficiency syndrome
damages the immune infects kills CD4 cells
system
→
•
+
?
-15001mm
healthy CD4 Count : 500
•
↳ if it falls below 2001mm > =
AIDS diagnosis
fluids rectal fluids breast milk
transmitted
through bodily blood semen
vaginal +
•
:
, , ,
symptoms
to flu
initial
symptoms compared last weeks
→
•
I -2
↳ headache swollen red rash fever
,
fatigue ,
muscle ache ,
sore throat ,
lymph nodes
,
on torso
,
•
AIDS : immune
system severely comprimised
↳ can no
longer fight off diseases + infections
↳ makes vulnerable to wide of diseases
person extremely range