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Transcription and mRNA processing | Biomolecules | MCAT | Khan Academy

Transcription and mRNA processing | Biomolecules | MCAT | Khan Academy

RNase III called Drosha, which is involved in miRNA processing in the eukaryotic nucleus, first evolved as antiviral protein targeting RNA dependent RNA polymerase and viral replication intermediates. [Nature, 2017]

RNase III called Drosha, which is involved in miRNA processing in the eukaryotic nucleus, first evolved as antiviral protein targeting RNA dependent RNA polymerase and viral replication intermediates. [Nature, 2017]

How DNA copies a part of itself to produce all kind of proteins, hormones etc. http://phys.org/news/2012-05-gene_1.html    Enlarge    The RNA polymerase reads the genetic information from the DNA strand and translates it into messenger RNA molecules. Phosphate attachments to the individual amino acid groups of the CTD domain regulate the activity of the polymerase. Credit: Art For Science

How DNA copies a part of itself to produce all kind of proteins, hormones etc. http://phys.org/news/2012-05-gene_1.html Enlarge The RNA polymerase reads the genetic information from the DNA strand and translates it into messenger RNA molecules. Phosphate attachments to the individual amino acid groups of the CTD domain regulate the activity of the polymerase. Credit: Art For Science

A hidden movement in the molecule that makes RNA

A hidden movement in the molecule that makes RNA

The in vitro evolution technique was used to obtain improved version of RNA polymerase ribozyme. It is now able to replicate various functional RNAs (but not itself) in template-department manner representing the first effective RNA-based polymerase chain reaction. [PNAS, 2016, http://www.pnas.org/content/early/2016/08/10/1610103113.abstract]

The in vitro evolution technique was used to obtain improved version of RNA polymerase ribozyme. It is now able to replicate various functional RNAs (but not itself) in template-department manner representing the first effective RNA-based polymerase chain reaction. [PNAS, 2016, http://www.pnas.org/content/early/2016/08/10/1610103113.abstract]

History of Agricultural Biotechnology: How Crop Development has Evolved - History of Agricultural Biotechnology: How Crop Development has Evolved - http://www.PaulFDavis.com health coach for wellness body-mind-spirit and global food consultant (info@PaulFDavis.com)

History of Agricultural Biotechnology: How Crop Development has Evolved - History of Agricultural Biotechnology: How Crop Development has Evolved - http://www.PaulFDavis.com health coach for wellness body-mind-spirit and global food consultant (info@PaulFDavis.com)

RNA Polymerase Transcription:  Scientific Illustration GIF                                                                                                                                                                                 More

RNA Polymerase Transcription: Scientific Illustration GIF More

Berkeley Lab researchers have produced the first step-by-step snapshots of the assembly of transcription factors and RNA polymerase into a transcription pre-initiation complex. (Image courtesy of Nogales group)

Berkeley Lab researchers have produced the first step-by-step snapshots of the assembly of transcription factors and RNA polymerase into a transcription pre-initiation complex. (Image courtesy of Nogales group)

Polymerase Chain Reaction (PCR)   PCR copies DNA, utilizing repeated cycles of three steps and Taq DNA polymerase, a recombinant, thermostable enzyme from the organism Thermus aquaticus.

Polymerase Chain Reaction (PCR) PCR copies DNA, utilizing repeated cycles of three steps and Taq DNA polymerase, a recombinant, thermostable enzyme from the organism Thermus aquaticus.

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