Understand past and emerging classification systems for viruses Flashcards
What is the primary purpose of virus classification systems?
To categorize viruses based on shared characteristics and evolutionary relationships.
True or False: The International Committee on Taxonomy of Viruses (ICTV) is responsible for establishing a universal classification system for viruses.
True
Fill in the blank: The classification of viruses traditionally relies on their _____ and _____ characteristics.
morphological, genetic
Which classification system is based on the type of nucleic acid in viruses?
Baltimore classification system
What are the main categories in the Baltimore classification system?
Double-stranded DNA, single-stranded DNA, double-stranded RNA, single-stranded RNA, reverse transcribing viruses.
Multiple Choice: Which of the following is NOT a criterion used in virus classification? A) Host range B) Transmission method C) Color D) Genetic material
C) Color
Short Answer: Name one emerging classification system for viruses introduced in recent years.
Virus taxonomy based on metagenomics.
True or False: The classification of viruses has remained unchanged since the early 20th century.
False
What is a significant challenge in classifying newly discovered viruses?
The lack of complete genetic information and the rapid mutation rates of some viruses.
Fill in the blank: The _____ is a hierarchical system used to classify living organisms, including viruses.
Linnaean system