Viruses Flashcards
What is a capsid
A protein coat surrounding the nucleic acid of a virus
What’s acellular
Non cellular
What’s an obligate parasite
A parasitic organism that cannot complete it life cycle without a suitable host.
What will happen if an obligate parasite cannot find a suitable host
If it cannot find one, it will fail to reproduce
What’s a host
An organism that harbors a parasite
What does pathogenic mean
An organism that causes disease
What’s a bacteriophage
A type of virus that infects bacteria. Phage means to eat
Nucleoid
An irregularly shaped region within the cell of a PROKARYOTE that contains all or most of the GENETIC MATERIAL
What do viruses consist of
A central nucleic acid( DNA/RNA) never both
Protein Cassidy
Some have outer layer called an envelope
What are viruses
They are pathogens that can infect bacteria, protists and animals
What are RNA-containing viruses called
Retroviruses
Can viruses be classified into one of the 5 kingdoms ,why?
No, because they display living and non-living characteristics