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RNA Types Messenger RNA (mRNA) is synthesized from a gene segment of DNA which ultimately contains the information on the primary sequence of amino acids in a protein to be synthesized. The genetic code as translated is for m-RNA not DNA. The messenger RNA carries the code into the cytoplasm where protein syn…

http://www.sciencedaily.com/releases/2012/07/120703161707.htm

Genetic 911: Cells' emergency systems revealed Toxic chemicals wreak havoc on cells, damaging DNA and other critical molecules. A new study reveals how a molecular emergency-response system shifts the cell into damage-control mode and helps it survive such attacks by rapidly producing proteins that counteract the harm.

Chromosomes' big picture: Similarities found in genomes across multiple species; Platypus still out. By mapping various genomes onto an X-Y axis, a team of researchers has found that Charles Darwin and a fruit fly -- among other organisms -- have a lot in common genetically. The researchers found that the chromosome sizes within each eukaryotic species are actually similar rather than drastically d

Life Sciences Salary Survey, 2010

In a genetic research first, researchers turn zebrafish genes off and on Researchers have designed a new tool for identifying protein function from genetic code. The team succeeded in switching individual genes off and on in zebrafish, then observing embryonic and juvenile development.

Abstract | Drosophila Ctf4 is essential for efficient DNA replication and normal cell cycle progress Proper coordination of the functions at the DNA replication fork is vital to the normal functioning of a cell. Specifically the precise coordination of helicase and polymerase activity is crucial for efficient passage though S phase. The Ctf4 protein has been shown to be a central member of the repl

Plant hormone auxin triggers a genetic switch: A mechanism for stabilizing the development of the pl During the development of organisms, a particular event repeatedly occurs: a signal appears temporarily, but the processes it triggers must be maintained -- for example, when the fate of cells in the embryo is established. The plant hormone auxin plays an important role as a signalling molecule duri

Porphyrins: One Ring in the Colors of Life » American Scientist

Earth/'s earliest non-marine eukaryotes : Nature : Nature Publishing Group The existence of a terrestrial Precambrian (more than 542[thinsp]Myr ago) biota has been largely inferred from indirect chemical and geological evidence associated with palaeosols, the weathering of clay minerals and microbially induced sedimentary structures in siliciclastic sediments. Direct evide

World's smallest wedding rings: Interlocking rings of DNA visible through scanning force microscope DNA nanotechnology makes use of the ability of natural DNA strains' capacity for self asssembly. Researchers in Germany were able to create two rings of DNA only 18 nanometers in size, and to interlock them like two links in a chain. One of the researchers, who got married during the time he was wor