Search results
Results From The WOW.Com Content Network
A scientist placing samples into a negative 80 degree freezer. In contrast to short term sample storage at +4 to −20 °C (39 to −4 °F) by using standard refrigerators or freezers, many molecular biology or life science laboratories need long-term cryopreservation (including "cold chain" and/or "colder chain" infrastructures) for biological samples like DNA, RNA, proteins, cell extracts ...
Transcription of mRNAs initiated by viral polymerase using cap snatching. The first step of transcription for some negative, single-stranded RNA viruses is cap snatching, in which the first 10 to 20 residues of a host cell RNA are removed (snatched) and used as the 5′ cap and primer to initiate the synthesis of the nascent viral mRNA. [1]
The proteins associated with each RNA depend on the type of snoRNA molecule (see snoRNA guide families below). The snoRNA molecule contains an antisense element (a stretch of 10–20 nucleotides), which are base complementary to the sequence surrounding the base targeted for modification in the pre-RNA molecule. This enables the snoRNP to ...
Negative-strand RNA viruses (−ssRNA viruses) are a group of related viruses that have negative-sense, single-stranded genomes made of ribonucleic acid (RNA). They have genomes that act as complementary strands from which messenger RNA (mRNA) is synthesized by the viral enzyme RNA-dependent RNA polymerase (RdRp). During replication of the ...
In molecular biology, the five-prime cap (5′ cap) is a specially altered nucleotide on the 5′ end of some primary transcripts such as precursor messenger RNA.This process, known as mRNA capping, is highly regulated and vital in the creation of stable and mature messenger RNA able to undergo translation during protein synthesis.
GEMINI (MAY 21 - JUNE 20) January calls for financial mindfulness, Gemini.With Mars, the planet of action, moving retrograde in your money house, you’ll feel pressure to get your budget in order.
The snRNAs that make up the major spliceosome are named U1, U2, U4, U5, and U6, so-called because they are rich in uridine, and participate in several RNA-RNA and RNA-protein interactions. [1] The assembly of the spliceosome occurs on each pre-mRNA (also known as heterogeneous nuclear RNA, hn-RNA) at each exon:intron junction. The pre-mRNA ...
Toby Fischer lets his 20-year-old truck warm up in the dark. Frost has stuck to the windows — “like concrete,” he says. The ice melts slowly, revealing cracks that span the length of the windshield. He shifts into reverse, and the truck skids over a slick patch before the tires grip the road again.