Lesson 3 Non-Cellular Flashcards
1
Q
What are viruses?
A
Non-cellular pathogens that contain genetic material, either DNA or RNA and are enclosed by a protein coat called a capsid
2
Q
What are the 6 types of viruses
A
HIV Hepatitis B Ebola Virus Adenovirus Influenza Bacteriophage
3
Q
Viral Replication
A
The virus is engulfed into a host cell and inserts its genetic material into host cell’s DNA.
The virus uses host cell organelles to produce new protein coats (at the ribosome) and replicate genetic material.
4
Q
How does Virus cause diease?
A
Virus invades a host cell
Damages/Destroys the cell
5
Q
What are prions?
A
Abnormal Infectious proteins that fold in a different way and can damage the nerve cells
6
Q
How does a prion cause disease?
A
Bursting of brain tissue causes holes (Spongiform encephalopathy)
7
Q
What are 2 examples of a prion?
A
Kuru and BSE
