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How is it possible for a population of sponges which are sessile animals to disperse?
Because sponges are one of the most simplex creatures on the planet, they weren't expected to be able to move. However, it has been discovered that for most species of sponge, they have a larval stage of about 24 hours in which they can swim. It is during this time that they spread out.
Do reptiles have an internal fertilization?
Internal... :)Male and female reptiles do not have external genitalia to help owners ... For fertilization, a male reptile inserts either one of his two hemipenes into the ... Before actual copulation, the pair usually engages in some type of ritualized courtship...Good luck with what your doing... :)
What is a series of events in which one organism eats another and obtains energy?
A series of events in which one organism eats another to obtain energy is known as a food chain. Each level in a food chain represents a trophic level, with energy transferred from one level to the next as organisms are consumed.
How do you tell your neutered or spayed cat's gender?
It is surprising how few people can discern the difference between a male and female cat, especially if they have been spayed or neutered. To be sure, you need to lift the tail and look at the genitals. In the male you will see an opening of the prepuce about 3/4 to one inch below the anus. The anus and prepuce appear like two 'dots'. (picture a colon) : In the female, the vulva will be a vertical slit that is almost joined to the anus. (picture the letter "i"). i
How can parasites be tranferred from one person to another?
Parasites can be transferred from one person to another through by spreading fecal matter into the mouth. This can easily happen when drinking contaminated water or eating food that is contaminated. Intimate contact, such as oral or anal sex and changing a diaper can also transfer parasites.
What is one disease that follows the lytic cycle?
herpes simplex 1
How may deaths have occurred due to herpes simplex virus?
Oh honey, let's get one thing straight - herpes simplex virus isn't exactly a serial killer. It's more of a nuisance than a life-threatening disease. Sure, it can cause complications in some cases, but deaths directly caused by herpes simplex virus are pretty darn rare. So, put your worries aside and go enjoy life without losing sleep over herpes, okay?
Is shingles and herpes are same?
Herpes is a family if viruses that cause different diseases. Herpes simplex I is associated with cold sores, herpes simplex II is associated with genital herpes (although those two can be reversed), CMV and EBV can cause mononucleosis and colds and congenital infections in babies as well as cancers, roseolovirus can cause roseola, human herpes virus 8 causes Kaposi's sarcoma and other cancers. The herpes varicella-zoster virus causes chicken pox (varicella). It lies dormant in nerve cells and years later it can reactivate to cause shingles (zoster). So shingles is one example of a herpes virus infection.
What is The herpes virus?
Herpes simplex virus is also known as HSV-1 and HSV-2. One can learn more about this disease at the website Wikipedia. Another good website to get information regarding this disease would be Webmed.
If you have herpes or have had the chickenpox does that mean that you are CMV positive?
No, cytomegalovirus is a separate virus from Varicella Zoster virus (the one that causes chickenpox) and herpes simplex virus (which causes genital herpes and cold sores and related illnesses). It is possible to have all three at the same time, but they are separate viruses and if you have herpes or have had the chickenpox, it does not mean that you are CMV positive.
What type of herpes is related to chickenpox?
Herpes simplex type one is one virus in the herpesvirus family. Chickenpox is caused by varicella zoster virus, which is in the same virus family.
Can you get HIV from herpes 2?
It's possible. People with herpes can be more suceptable to getting HIV because it can pass more easily through open sores or blisters. So some one with herpes should abstain from having sex while they have any signs of a break out. But just so you know because some one has genital herpes that doesn't always mean they have HIV too.
Modes of data transmission?
Data can be transferred in 3 different modes, these 3 modes are equally popular and used in common everyday situations. •Simplex If data can only be transferred in a single direction (one way) it is known as simplex. Television transmission is an example of Simplex transmission, here data can be transferred only to a television but no data can be transferred in the opposite direction. •Duplex When data maybe transferred in two directions simultaneously it is known as Duplex, a simple telephone conversation would be an example, while we usually don't talk simultaneously a telephone provides that 'duplex' functionality. •Half-Duplex In this mode of transmission as well, data maybe transmitted in both directions, however it cannot be done simultaneously. A Walkie Talkie would be an example of this mode of transmission. The different modes are implemented based on their requirements, for example in Simplex transmission, two way transmission is not required in television transmission thus Simplex is used.
Herpes viral culture of lesion?
DefinitionHerpes viral culture of a lesion is a laboratory test to check if a skin sample is infected with the herpes simplex virus.See also:Genital herpesHerpes labialis(cold sores)Serum herpes simplex antibodiesAlternative NamesCulture - herpes simplex virus; Herpes simplex virus cultureHow the test is performedA sample from a skin lesion (often a genital sore) or blister is needed. The health care provider will collect the sample during an active outbreak and place it in a laboratory container. The sample must include cells, not just fluid from the blister, because the virus is in the skin cells of the blister or ulcer.At the laboratory, the sample is placed in a special dish and watched for the growth of the herpes simplex virus, or substances related to the virus. Special tests may also be done to determine whether it is herpex simplex virus type 1 or 2.Results are available within 16 hours to 7 days (usually 2-4 days), depending on the laboratory method used.How to prepare for the testThe sample must be collected during the worst part of an outbreak. This is considered the acute phase of infection.How the test will feelWhen the sample is collected, you may feel an uncomfortable scraping or sticky sensation. Sometimes a sample from the throat or eyes is needed. This involves rubbing a sterile swab against the eye or in the throat.Why the test is performedThe test is done to confirm herpes simplex infection. The diagnosis is often made by physical examination (the health care provider looking at the sores), and the cultures and other tests are used to confirm that diagnosis.Normal ValuesA normal (negative) result means that the herpes simplex virus did not grow in the laboratory dish and the skin sample used in the test did not contain any herpes virus.Unfortunately, a normal (negative) culture does not guarantee that you do not have a herpes infection or have not had one in the past.What abnormal results meanAn abnormal (positive) result may mean that you have an active infection with herpes simplex virus. Herpes infections include herpes genitalis, which is genital herpes, or cold sores on the lips or in the mouth.If the culture is positive for herpes, you may have recently become infected or you may have become infected in the past and are currently having an outbreak.What the risks areRisks include slight bleeding or infection in the area where the skin sample was removed.Special considerationsThe viral culture for herpes test is most likely to be accurate when a person is newly infected (during the first outbreak).ReferencesGupta R, Warren T, Wald A. Genital herpes. Lancet. 2007; 370(9605):2127-37.
Are ulcers in the mouth oral herpes?
No, mouth ulcers are not the same as oral herpes. Mouth ulcers, also known as canker sores, are small open sores that occur inside the mouth, while oral herpes is an infection caused by the herpes simplex virus, typically manifesting as cold sores on the lips or mouth.
Why are there no scars left after a cold sore?
A cold sore is caused by the herpes simplex virus and will generally clear up in time. I did have one student in my classroom who kept picking at a cold sore and now has a scar in that area.
What is the herp?
Herpes simplex virus is also known as HSV-1 and HSV-2. One can learn more about this disease at the website Wikipedia. Another good website to get information regarding this disease would be Webmed.
