Lecture 11 -the Immune System Part 2

Question 1

What does HIV mean

Answer 1

Human immunodeficiency virus

Question 2

What happens in virus replication

Answer 2

Virus attaches to host receptor proteins
Genetic material is released into the host cells
Genetic material and proteins are replicated
Replicated viruses released from host cell

Question 3

What is HIV

Answer 3

Virus
Affects human immune system
Replicates inside the cell of the organism
Infects and eventually kills helpers T cells
AIDS

People who had HIV they had more instances of cancer within the body

Question 4

What are T cells responsible for

Answer 4

They are responsible for causing to destroy a cell,

Question 5

Describe the structure of the human immunodeficiency virus

Answer 5

RNA
Reverse transcriptase
Protein capsid
Attachment proteins

Question 6

HIV replication

Answer 6

Attachment protein attaches to receptor - allows capsid to be released
RNA is transcriptase to DNA
DNA is made and inserted into human DNA
Enzymes are used to make viral proteins and then proteins are assembled into new viruses

Question 7

What do antibiotics do

Answer 7

Kills bacteria can’t kill viruses
They are broad spectrum so they can kill
Antibiotic resistance

Question 8

What is the area of a circle

Answer 8

A= pie r 2

Question 9

What is herd immunity

Answer 9

When one person is infected however everyone else is vaccinated
The chances of getting infected is very high
Higher percentage of people vaccinated to not get infected