Viruses (biological)

The influenza virus doesn't always cause recurrent infections. There are many different strains of the flu and there are two types, which are Type A ad Type B. The flu is a virus that has to run its course.

The influenza virus binds to its host cells through a carbohydrate molecule called sialic acid, which is present on the surface of the host cell receptors. The virus recognizes and binds to this sialic acid molecule to initiate the infection process.

Yes, there are different types of germs, and viruses are one of them. Viruses cause the flu and swine flu is one type. Germ is a general lay term for an infectious agent that causes disease, similar to the general term pathogen. Pathogens cause illness or disease. Another term used is microbe, although many scientists in the field do not classify viruses as microbes because they are not living organisms, however, for a lack of a better term, viruses are still often called microbes. Viruses are also not microscopic like microbes, they are even much smaller and are considered sub-microscopic, requiring an electron microscope to visualize.

The acronym HPV stands for Human Papilloma Virus. It belongs in the virus kingdom because it is a virus. Like all viruses it is dormant until it enters a cell, and it then takes over the existing cellular machinery to reproduce itself.

Viruses need a host cell to survive and reproduce. They cannot replicate on their own; instead, they hijack the machinery of host cells to produce more virus particles. Once they have infected a host cell, they use the cell's resources to replicate their genetic material and assemble new virus particles.

THe outer shell of a virus is called the capsid, and consists of various proteins, which are arranged to enable the virus to enter and control a host cell. These proteins are called protomers and are assembled in units called capsomeres.

All viruses contain genetic material (DNA or RNA) and a protein coat (capsid) that surrounds and protects the genetic material. Some viruses also have an outer lipid envelope that is derived from the host cell membrane.

During the lysogenic cycle, the virus inserts its genetic material into the host cell's genome and remains dormant. The host cell continues to replicate normally, passing the viral genetic material onto its daughter cells. When conditions are favorable, the lysogenic cycle can transition into the lytic cycle, where the virus becomes active and starts to replicate, eventually causing the host cell to burst and release new viral particles.

Food poisoning can be caused by either bacteria, such as Salmonella or E. coli, or viruses, such as norovirus or hepatitis A. Both can contaminate food during preparation, processing, or handling, leading to illness when consumed. Symptoms of food poisoning typically include nausea, vomiting, diarrhea, and abdominal pain.

The process in which a virus multiplies itself within a host cell is called replication. During replication, the virus uses the host cell's machinery to create copies of its own genetic material and proteins, eventually leading to the production of new virus particles that can infect other cells.

An RNA-dependent RNA polymerase is a key enzyme utilized by RNA viruses. It is responsible for replicating the viral RNA genome within host cells, enabling the virus to generate new copies of itself and continue infecting host cells.

All viruses have similar signs and symptoms. It really is a question of what body systems are effected not whether they are RNA or DNA viruses. Ones that affect the immune system (HIV) are more severe than those at affect the upper respiratory tissues (flu) for example.

The cold virus is known to be hidden.

This is hidden because a virus like this can hide in your body until whenever you start to become sick with this.

* I learned about this in Science like a month ago, (:

Justsaying.

But it is HIDDEN; NOT active, (:

wait wait wait how is it hidden if we get it slowly (the cold). and why is it hidden when both ways you'll still get sick. almost all my teachers say its active but in my life science book it states its hidden. whos right whos wrong arggg :( i really need a correct answer :)

A virus that kills its host is said to be virulent. Virulent viruses can cause serious illness or death in their host organisms.

The polio virus is a non-enveloped, single-stranded RNA virus and cannot be classified using the Gram stain. Gram staining is used to differentiate bacteria based on their cell wall structure, which viruses like polio do not possess.

Mycoplasma genitalium is a type of bacteria. It is a small parasitic bacterium that lacks a cell wall.

A latent virus is a unactive virus that sits in your body that eventually becomes active with no explained reason. An example is a cold sore. You dont know its coming until its done. That is a virus in your lip.

Host specificity of a virus can be attributed to a few different factors. One of these factors is a viral species ability to "hijack" a cells internal machinery and cause it to reproduce the genetic makeup and proteins which make it up. Many viruses then exit the cell (usually through destroying it) and may take a part of the cell's membrane with them as a sort of phospholipid coat. This membrane has all of the identifying proteins which enable our cells to recognize one another and serves viruses in the same manner.

Organisms are susceptible to viruses when the virus can effectively enter the host cells, replicate within them, and evade the host's immune response. Factors such as the organism's immune system strength, genetic makeup, and prior exposure to related viruses can also influence susceptibility.

E. coli is not a disease at all, it is a species of bacteria. E. coli can be found as part of the normal microflora in the human gastrointestinal tract, as most strains are harmless. There are some strains (eg: E. coli 01H57) that are pathogenic and can cause enteritis.

Warts are caused by viruses, particularly human papillomavirus (HPV). They are not caused by bacteria.

It would not be advantageous for a virus to kill its host because if the host dies, the virus would also die since it needs the host to replicate and spread. It is more beneficial for a virus to keep the host alive so it can continue to infect other individuals.

When you have a virus (E.G the norovirus) Your temperature is over 38.0. If your temperature is 38.0 I would go and see your GP.

If it is lower than 36.9 you definitely haven't got a virus.

Yes, viruses are the smallest known pathogens that can cause disease in humans, as they are much smaller than bacteria and other microorganisms. Viruses rely on host cells to replicate and can infect a wide range of organisms, including humans, animals, plants, and even bacteria.

it primarily performs as a synthetic mutant antibody. When this occurs it becomes latent. As this occurs the cell becomes permeable, allowing for mutation. It's almost like going shopping for shoes, but coming home with a purse.