What is a positive-strand RNA virus? Is nipah a DNA or RNA virus? What does DNA gyrase do? What is DNA gyrase? What is type B-DNA? Are viruses the only organisms with an RNA genome? What is DNA primase? What starts DNA replication?
Ribonucleic acid (RNA) is a molecule found in cells that does many tasks for the human body, including the transformation of DNA information into proteins. Learn about RNA viruses and their replication strategies. Explore the features and viruses of RNA, such as double-stranded, positive and neg...
Hepatitis C virus (HCV) is a positive-strand RNA virus that frequently causes persistent infections and is uniquely associated with the development of hepa... T Munakata,Y Liang,S Kim,... - 《Plos Pathogens》 被引量: 250发表: 2007年 加载更多研究...
Positive-sense viral RNA is similar to mRNA and thus can be immediately translated by the host cell. Negative-sense viralRNA is complementary to mRNAand thus must be converted to positive-sense RNA by an RNA polymerase before translation. Which of the following diseases is caused by a virus w...
Viruses can be encoded in a variety of ways.Rotavirusesare based on a double strand of RNA, for example. Coronaviruses have a single strand of RNA, which is 'positive sense', as in it can be translated directly into new proteins.Influenzahas negative sense RNA, meaning it needs an extra...
2.2. IFN induction by pestiviruses As positive-sense RNA viruses, pestivirus replication occurs via a semi-conservative model [14] using a double-stranded (ds) RNA template to synthesize plus-strand, genomic viral RNA. Accordingly, replicative forms (RF) and replicative intermediates (RI) were ...
To recap: in nature, when a virus invades bacteria, its unique DNA is integrated into a CRISPR sequence in the bacterial genome. This means that the next time the virus attacks, the bacteria will remember it and send RNA and Cas to locate and destroy the virus....
If you get a positive test, though, we're not recommending with PCR testing that you get another test. Is that correct? GEOFFREY BAIRD We generally do not recommend that you get another test, with the caveat, though, that all tests need to be interpreted in the context of the patient...
RNA: RNA (ribonucleic acid) is a molecule similar to DNA. The phosphate group present in the RNA molecule is negatively charged; hence RNA is considered a negatively charged molecule. RNA helps translate genetic information (DNA) into cellular information by instructing the genes (section of DNA...
What is a positive-strand RNA virus? Which nucleotide bases are found in RNA? How are RNA and messenger RNA related? If the upper strand of the DNA molecule below acts as a template to make mRNA, what is the nucleotide What is a small RNA virus? Does ribosomal RNA have a poly A tai...