What does rRNA mean?
What does rRNA mean?
ribosomal ribonucleic acid Ribosomal RNA
Why is RNA necessary?
The central dogma of biology, formulated in the 20th century after the discovery of DNA, postulates that genes provide instructions for the cell to build proteins, or functional molecules needed to perform the different jobs in the cell, and that RNA serves as an intermediate messenger to transmit the flow of genetic …
What viruses are DNA based?
DNA viruses comprise important pathogens such as herpesviruses, smallpox viruses, adenoviruses, and papillomaviruses, among many others.
Do viruses have cells?
A virus is a tiny, infectious particle that can reproduce only by infecting a host cell. Nor do viruses have cells: they’re very small, much smaller than the cells of living things, and are basically just packages of nucleic acid and protein. Still, viruses have some important features in common with cell-based life.
Which Hepatitis is DNA virus?
Hepatitis B virus (HBV), a member of the hepadnavirus group, double-stranded DNA viruses which replicate, unusually, by reverse transcription. Hepatitis B virus is endemic in the human population and hyperendemic in many parts of the world. A number of variants of this virus have been described.
Is hepatitis B virus A DNA virus?
The hepatitis B virus (HBV) is a small DNA virus with unusual features similar to retroviruses. It is a prototype virus of the Hepadnaviridae family.
Which Hepatitis is RNA virus?
Hepatitis C (originally “non-A non-B hepatitis”) is caused by hepatitis C virus (HCV), an RNA virus of the family Flaviviridae. HCV can be transmitted through contact with blood (including through sexual contact if the two parties’ blood is mixed) and can also cross the placenta.
Which virus can cause hepatitis?
In the United States, viral hepatitis is most commonly caused by hepatitis A virus (HAV), hepatitis B virus (HBV), and hepatitis C virus (HCV). These three viruses can all result in acute disease with symptoms of nausea, abdominal pain, fatigue, malaise, and jaundice.
Which hepatitis is treatable?
There are 3 main types of hepatitis: hepatitis A, B, and C. All types of hepatitis are treatable but only A and C are curable. Most people with hepatitis A or hepatitis B infection will recover on their own, with no lasting liver damage.
How many virus can cause viral hepatitis?
At least five viruses can cause hepatitis. The three most common are hepatitis A, B, and C. Infection with any of these three viruses can lead to life threatening complications.