December Birthstone Most people think of a bright sky blue when they hear Zircon, but it is also available in beautiful earth tones of green, dark red, yellow, brown, and orange. Today, the most popular colors of Zircon are the vivid blue and bright Caribbean Sea colors.
IFNs belong to the large class of proteins known as cytokines, molecules used for communication between cells to trigger the protective defenses of the immune system that help eradicate pathogens. Interferons are named for their ability to interfere with viral replication by protecting cells from virus infections.
How Spliceosomes Process RNA. What is the purpose of introns? DNA is composed of sections known as exons and introns. The exons are the portions that eventually exit the nucleus in the form of mRNA and are used in translation. The introns are removed from the mRNA shortly after transcription. There are a number of hypotheses about the function of introns.