Flashcards in Biology - Unit 3, Viruses Deck (11):
What is a virus?
A particle that causes disease in organisms and consists of a core of nucleic acid surrounded by a protein coat.
Virus process of reproduction:
What is the lytic cycle?
The viral replication process that rapidly kills a host cell.
What is the lysogenic cycle?
The viral replication in which the virus does not immediately kill a host cell.
What is prophage?
The nucleic acid of a bacterial virus that is attached to the host's chromosomes.
What are retroviruses?
Replicate nucleic acid in the reverse of the standard way. (make DNA from RNA)
Examples of viruses
Why are viruses not in the Kingdom of Life?
-they are not made of a cell
-they need a host in order to survive
How are viruses similar to living things?
-they have genetic material
How are viruses structured?
-core made of genetic material (DNA or RNA)