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Bacteria and Viruses are the main objects of study in the field of genetics for two reasons: bacteria are chosen because of their simplicity. Viruses are an interesting area of study because they survive by placing their own genetics into other organisms. This gives rise to the possibility of transplanting foreign and possibly beneficial DNA and RNA into hosts that previously did not have those helpful genes.

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โˆ™ 2007-05-17 22:36:05
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Q: Why the bacteria and viruses are main objects in the genetic?
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What is the main differences between bacteria and viruses?

Easy answer: Bacteria are alive and viruses probably are not.


How is bacteria and a virus the same?

Bacteria and viruses are the same in that they both contain genetic material, they both are prokaryotic, and they both are single celled. The main difference between them is that a bacteria is classified as living and a virus is classified as non-living. This is because bacteria can reproduce on their own, where viruses need to invade a host cell to be able to reproduce.


What are the main differences between a virus and a bacteria which enable scientists to classify them?

Bacteria are single-celled organisms that can replicate themselves. By this, I mean that they have all the genetic material to replicate (DNA & RNA). Viruses, in contrast, contain a piece of genetic material that is encapsulated by a protein coat known as a capsid. Because viruses only have a portion of genetic material, they have to infect a host organism and inject its material into the host and use the host to do the work for the virus. Since bacteria can "live" on its own and viruses cannot, bacterial infections can be treated with medications while viral cannot. In comparison of size, viruses are about 100 times smaller than bacteria. About of 90% of known bacteria live in a symbiotic relationship with humans. This means that the presence of bacteria is beneficial to both the bacteria and humans. In comparison, most viruses feed of the host to produce more viruses... therefore having no benefit to the host.


What are the 5 main microbes?

bacteria viruses fungi protists


What are the three main types of microbe called?

Fungi, Bacteria and Viruses


What are the four main micro-organisms?

BacteriaFungiProtozoaViruses


Are microbes bacteria?

All bacteria are microbes, but not all microbes are bacteria. Viruses and fungi are the other two main types of microbes, or microorganisms.


What are the three main types of microbes?

The three main types of microbes are fungi, bacteria and viruses. Bacteria are usually smaller than fungi and virus is the smallest type of microbe.


What is the role of lysosomes in the cell why is this a vital role?

Lysosomes hydrolyze worn out organelles and other cell detritus, are the main destroyers of bacteria and viruses when they are in white blood cells as they hydrolyze the bacteria and viruses to recyclable pieces.


What is the main way that viruses replicate?

The only way viruses can replicate is by parasitizing living cells and using the cell's mechanisms to replicate their genetic materials and protein components.


What does the plasmid do in a cell?

it is a circular genetic material (in bacteria) that can replicate separately from the DNA in the main chromosome.


What characteristics do scientists use to group viruses?

Viruses can be grouped by their shape, the type of disease they cause, their life cycle, or the kind of genetic material they contain. And, the four main shapes of viruses are: Crystals, Spheres, Cylinders, and Spacecraft.


What are the 3 main groups of viruses?

phaginae (attacks bacteria), phytophaginae (attacks plants), and zoophaginae (attacks animals).


What are the main groups of microbes?

There are six main groups:(i)Bacteria(ii)Actinomycetes(iii)Protozoa(iv)Algae(v)Fungi(vi)Viruses


What are the three main group of micro organisms called?

There are actually 6 main groups of microorganisms: Bacteria, Actinomycetes, Protozoa, Algae, Fungi and Viruses.


Both viruses and cells are able to replicate their genetic material What is the main difference in their replication processes?

Viruses require host cells, whereas cells provide their own replication mechanisms.


Are the four major groups of pathogens bacteria viruses fungi and molds?

There are really 5 main groups; viruses, bacteria, fungi, protozoa (which includes the malaria parasite) and Helminthes (which includes parasites such as flatworms and roundworms). Moulds are classified as fungi.


What are micro organisms sometimes called?

Microorganisms are sometimes referred to as microbes. The three main types of microbes are bacteria, fungi, and viruses.


What are the main methods and concepts in the field of aerobiology?

Aerobiology is the study of organic particles. Some of the main concepts in aerobiology are bacteria, small insects, pollen grains, as well as viruses.


What are the main groups of microorganisms?

There are six major groups of microorganisms: Algae, Bacteria, Fungi, Helminths, Protozoa, and Viruses A mnemonic = All Boys Find Help Pronouncing Viruses In my book it says there are 5 Algea , Protazoa , Fungi, Prions and Viruses


What are the main categories of Computer Viruses?

The three main categories are: * Viruses * Worms * And Trojans


What are tow main microbes that cause disease?

The two main microbes that cause disease are Viruses and Bacteria however Fungi and infected proteins such as Prions have been known to cause disease


What is an RNA and DNA virus?

Viruses are infectious agents that replicates only within the presence of host cell. There are two main types of viruses based on their nucleic acid as a genetic material- RNA Viruses and DNA Viruses. RNA viruses have RNA (ribonucleic acid) as their genetic material and are usually single stranded, whereas, DNA Viruses have DNA (deoxyribo nucleic acid) as their nucleic acid and are usually double stranded. RNA Viruses mutates faster than DNA Viruses. DNA replication occurs in nucleus while RNA replication occurs in cytoplasm. Examples of DNA Viruses are small pox, herpes, etc. Examples of RNA Viruses are measles, influenza, mumps, etc.


Advantage of boiling?

The main advantage to boiling water is that it is free from harmful microorganisms. The high heat quickly kills viruses and bacteria which can cause illnesses.


Do bacteria cause any diseases?

yes it does bacteria causes a lot of diseases! Along with viruses, they are the main disease causers. Saying that, though, not all bacteria cause diseases. Some examples of diseases that bacteria cause are: whooping cough, diarrhea, and typhoid fever. Hope that helped more!