HIV and Viruses
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1
What does HIV stand for?
Human Immunodeficiency Virus
2
What is AIDS?
Acquired Immunodeficiency Syndrome
3
What does HIV attack in the body?
Immune system
4
Which cells does HIV primarily destroy?
Helper T cells
5
What happens when T cell levels drop too low?
Immune system fails
6
What type of structure does HIV have?
Spherical
7
What is in the core of HIV?
RNA and proteins
8
What is the outer layer of HIV called?
Envelope
9
What protein helps HIV attach to host cells?
Attachment protein
10
What enzyme does HIV use to replicate?
Reverse transcriptase
11
Where does HIV replicate?
Inside helper T cells
12
What is the first step in HIV replication?
Attachment to the host cell
13
What happens after HIV enters the host cell?
Releases RNA and enzymes
14
How does HIV convert its RNA into DNA?
Using reverse transcriptase
15
What happens after HIV DNA is formed?
Inserted into host DNA
16
What does the host cell make after infection?
Viral proteins
17
What happens to the host cell after HIV replicates?
It is destroyed
18
Why are people with AIDS prone to illness?
Weak immune system
19
Name one illness common in people with AIDS.
Tuberculosis
20
What affects the progression of HIV to AIDS?
Health, age, and infection strain
21
Why don’t antibiotics work on viruses?
Viruses lack metabolic machinery
22
What do antibiotics target?
Bacteria's enzymes and ribosomes
23
What makes viruses different from bacteria?
Viruses use host machinery
24
Why can’t human cells be harmed by antibiotics?
Human enzymes differ from bacterial ones
25
What treatment exists for HIV?
Antiviral drugs
26
Why is there no cure for HIV?
HIV integrates into host DNA
27
How is HIV usually transmitted?
Bodily fluids
28
What is the latency period of HIV?
Infected person shows no symptoms
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