RNA molecules differ from DNA molecules in several important ways ... being expressed in a cell at a particular point in time. Ribosomes are the sites in a cell in which protein synthesis takes ...

A new study has identified one of the reasons why cancer frequently spreads from elsewhere in the body to the lungs: an amino ...

Scientists discover a 'mortality timer' in cells, revealing new insights into aging and potential ways to extend lifespan.

Messenger RNA carries genetic information from DNA in the highly protected nucleus out to the rest of the cell, where structures called ribosomes can build proteins according to the DNA blueprint.

RNA polymerase enzymes read the DNA sequence and synthesize messenger RNA (mRNA) molecules, which carry the genetic information to the ribosomes for protein synthesis. translation is the process by ...

Actually, that's DNA's main purpose ... In a hair follicle cell, a protein called keratin is made. Lots of it. Many ribosomes can be working on a single strand of mRNA at once.

Bacteria modify their ribosomes when exposed to widely used antibiotics ... including mutations in their DNA. Another common mechanism is their ability to actively pump and transport antibiotics ...

This transfer of life's code from DNA to RNA is called transcription. Next, a ribosome uses the message encoded in RNA to build proteins—the molecules performing most of the essential functions ...

The two strands of the DNA helix are unzipped by breaking of the ... of mRNA is now ready to leave the nucleus and travel to the ribosome. After translation, the polypeptide is finally folded ...