English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2006-12-04 01:36:03 · 17 answers · asked by Anonymous in Science & Mathematics Zoology

17 answers

In taxonomy, the classification of viruses is rather difficult due to the lack of a fossil record and the dispute over whether they are living or non-living. They do not fit easily into any of the domains of biological classification and therefore classification begins at the family rank. However, the domain name of Acytota has been suggested. This would place viruses on a par with the other domains of Eubacteria, Archaea, and Eukarya. Not all families are currently classified into orders, nor all genera classified into families.

As an example of viral classification, the chicken pox virus belongs to family Herpesviridae, subfamily Alphaherpesvirinae and genus Varicellovirus. It remains unranked in terms of order. The general structure is as follows.

Order (-virales) > Family (-viridae) > Subfamily (-virinae) > Genus (-virus) > Species (-virus)

The International Committee on Taxonomy of Viruses (ICTV) developed the current classification system and put in place guidelines that put a greater weighting on certain virus properties in order to maintain family uniformity. In determining order, taxonomists should consider the type of nucleic acid present, whether the nucleic acid is single- or double-stranded, and the presence or absence of an envelope. After these three main properties, other characteristics can be considered: the type of host, the capsid shape, immunological properties and the type of disease it causes.

In addition to this classification system, the Nobel Prize-winning biologist David Baltimore devised the Baltimore classification system. This places a virus into one of seven Groups, which distinguish viruses based on their mode of replication and genome type. The ICTV classification system is used in conjunction with the Baltimore classification system in modern virus classification.

2006-12-04 01:39:56 · answer #1 · answered by Anonymous · 2 0

2

2016-08-25 06:11:56 · answer #2 · answered by Valerie 3 · 0 0

According to the rules of taxonomy, viruses are classified as a dead organism as scientists have just researched that a banana if eaten too quickly or too slowly can give a fatal virus called hornioushod hervisous. This virus has already spread through the Middle Eastern Countries as well as some parts of Africa. This virus can be spread through touch, water, food and air. it is not just any virus, but one which is going to torture its victim for the remaining years of the victim's life and if the virus is really strong, scientists say that the victim might go off like an explosive bomb.

2015-07-12 20:30:35 · answer #3 · answered by Aryan 1 · 0 0

Virus is nonliving. It can be crystallised.It does not have the machinery to reproduce itself, which is one of the basic criteria of living being.Outside the cells it will never reproduce. It is a cellular parasite. Only when it invades the cell and usurps the cellular machinery, using its substances does it form its body parts which are made up of proteins and nucleic acid. It does have the genetic code to make its own proteins.Inside the cell it replicates its genetic material so that it can multiply and invade other cells.

2006-12-04 14:35:17 · answer #4 · answered by Ishan26 7 · 0 0

Viruses are definitely nonliving. They do not take
in food, do not metabolize, and can not reproduce
themselves. They consist only of a protein coat and nucleic acid (either DNA or RNA). All they
can do is latch onto a living cell and insert their
nucleic acid into it. The cell then uses the viral
nucleic acid to manufacture more virus particles.

2006-12-04 04:28:35 · answer #5 · answered by Anonymous · 0 0

For some thing to be residing, some criteria must be met. the issue in question must be able to: a million. Excrete 2. respond to stimuli 3. Reproduce 4. Respire 5. habit foodstuff 6. strengthen 7. Adapt in case you're taking an in intensity look, viruses do not do a lot of issues that residing issues do. except for, you should imagine if viruses are categorized as residing issues, then do particular robots or pcs that we create be categorized as residing issues too? hence, I say viruses are non-residing, although there are human beings which say that they are residing.

2016-11-30 03:11:11 · answer #6 · answered by lesure 4 · 0 0

living

2006-12-05 01:02:34 · answer #7 · answered by Anonymous · 0 0

It is a very smart living organism.

Changes itself to avoid destruction.

They have to guess at it to make new vaccine every year, they make few then when the season starts they test all first in lab then they destroy all but one that works the best, saving few culture only.

Then they mass produce it in a hurry and hopefully distribute in time and in enough quantity.

2006-12-04 01:46:37 · answer #8 · answered by minootoo 7 · 0 0

Viruses are virulent forms of microbes,and even contain DNA.They are living when they are present in blood and semen.They are otherwise avirulent (i.e., non living) when they are exposed.EXAMPLE,Note that the major viral disease AIDS, comes through blood transfusion, and STD'S through unprotected relation.

2006-12-04 03:48:36 · answer #9 · answered by SHRUTH 1 · 0 0

virus are living when inside a host organism but when outside they are non living.

2006-12-04 04:33:38 · answer #10 · answered by Harry Potter 2 · 0 0

fedest.com, questions and answers