HghStudy Definitions

Receptor
A protein on a cell's surface that allows the cell to identify antigens.

Recombinant
Produced by genetic engineering. Also refers to a new organism or compound produced by inserting the genetic material of one organism into the genetic material of another organism.

Recombinant DNA molecules
A combination of DNA molecules of different origin that are joined using recombinant DNA technologies.

Recombinant DNA (rDNA)
The technique of isolating DNA molecules and inserting them into the DNA of a cell - "recombining DNA". Also known as genetic engineering.

Recombinant DNA Technology
A procedure used to join together DNA segments in a cell-free system (an environment outside a cell or organism). Under appropriate conditions, a recombinant DNA molecule can enter a cell and replicate there, either autonomously or after it has become integrated into a cellular chromosome.

Reconstitution
The dissolving of a dried product into a solvent or diluent.

Renal
Pronounced - REE-nul
Of the kidneys. A renal disease is a disease of the kidneys. Renal failure means the kidneys have stopped working properly.

RNA
RNA stands for Ribonucleic acid. The structure of RNA is similar to that of DNA. RNA delivers DNA's genetic message to the cytoplasm of a cell where proteins are made. There are several classes of RNA molecules, including messenger RNA, transfer RNA, ribosomal RNA, and other small RNAs, each serving a different purpose. ("Courtesy: National Human Genome Research Institute.")

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