Life cycle of a virus Flashcards
(2 cards)
1
Q
What is a virus
A
A virus is a fragment of genetic material surrounded by a protective protein coat.
Whether viruses are alive or not is disputed because they do not complete all seven life processes: MRS GREN.
2
Q
How do virus’ infect cells
A
The virus infects cells by either
injecting the DNA/RNA directly into them, or by tricking the cells into recognising the viral particles as self using the protein spikes and gaining access through the cell membrane.