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.
Exon. any nucleotide sequence encoded by a gene that remains present within the final mature RNA product of that gene after introns have been removed by RNA splicing. The term exon refers to both the DNA sequence within a gene and to the corresponding... enâ.wikipediaâ.orgâ/wikiâ/Exon.