For Ribonucleic acid (RNA) we have terms and definitions in 10 topics. The topics are Bioinformatics, Environment, Genetics, HIV and AIDs, Horse Health, Microbiology, Nutrition, Physical Geography, Pompe Disease and Science.

Ribonucleic Acid (Rna) (Bioinformatics)

A category of nucleic acids in which the component sugar is ribose and consisting of the four nucleotides Thymidine, Uracil, Guanine, and Adenine. The three types of RNA are messenger RNA (mRNA), transfer RNA (tRNA) and ribosomal RNA (rRNA).

Ribonucleic Acid (Rna) (Environment)

A molecule that carries the genetic message from DNA to a cellular protein-producing mechanism.

Ribonucleic Acid (Rna) (Genetics)

A chemical that is very similar to one strand of the DNA double helix. RNA delivers important genetic messages to the cytoplasm of cells, where proteins are made. In RNA, the letter "U" replaces the letter "T" in DNA ("U" stands for Uracil).

Ribonucleic Acid (Rna) (HIV and AIDs)

A single-stranded molecule composed of NUCLEOTIDE sequences. It is similar in basic structure to half of the double-stranded DNA. In cells, RNA transmits the code from the DNA-based GENES and instructs the cells' chemical machinery to produce structural PROTEINS and ENZYMES. The RNA segments in the cells represent copies of portions of the DNA sequences in the nucleus. In RETROVIRUSES, RNA is the sole repository of the viral genes.

Ribonucleic Acid (Rna) (Horse Health)

A nucleic acid occurring in all cells and involved in cell division, gene expression, and protein synthesis; also serves as the genetic material for some viruses.

Ribonucleic Acid (Rna) (Microbiology)

A chemical found in the nucleus and cytoplasm of cells; it plays an important role in protein synthesis and other chemical activities of the cell. The structure of RNA is similar to that of DNA. There are several classes of RNA molecules, including messenger RNA, transfer RNA, ribosomal RNA, and other small RNAs, each serving a different purpose.

Ribonucleic Acid (Rna) (Nutrition)

See RNA

Ribonucleic Acid (Rna) (Physical Geography)

Form of nucleic acid. Ribonucleic acid is used by most organisms to read the genetic information found in DNA and to produce specific organic molecules used in the development and functioning of cells.

Ribonucleic Acid (Rna) (Pompe Disease)

A nucleic acid that helps transfer information from DNA to the protein-forming system of the cell.

Ribonucleic Acid (Rna) (Science)

Large, complex molecule that works with DNA in carrying out the instructions of the genetic code

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