What are microRNAs? MicroRNA is a class of post-transcriptional regulators. They are short ~22 nucleotide RNA sequences that bind to complementary sequences in the 3’ UTR of multiple target mRNAs, …
Read moreWhat is microRNA? Special class Post-Transcriptional Regulators
A fundamental property of living organisms is their ability to reproduce. Bacteria and fungi can divide to produce daughter cells that are identical to the parental cells. Sexually reproducing organisms …
The first postulate the central dogma, experimentally proved and is that the DNA is capable of self-replication. This was immediately deduced by Watson and Crick that each DNA strand uniquely specifies …
Read moreWhat is DNA Polymerase and its function in DNA Replication
DNA replication is, by far, the most accurate of known enzyme-catalyzed processes. The error rate per base pair per round of replication is about 10-9 to 10-10. The accuracy cannot …
What is Gene Expression? What is Lac Operon? Definition of Gene Regulation is “the control of gene regulation and expression is very well understood in prokaryotes. The switching on and off of …
Read moreWhat is Lac Operon? How it Regulates Gene Expression in Prokaryotes