A granule of protein and RNA, synthesized in the nucleolus and found in the cytoplasm of cells. Ribosomes are the...

RNA-digesting enzyme. An enzyme which breaks down RNA. An enzyme that catalyzes the destruction of RNA. An enzyme, located in...

Resembling rheumatism. Broadly, having dull aching in joints, muscles, eyes, and so forth. In a more literal sense, it is...

A return to the original condition, e. g. the reappearance of the normal or wild type in previously mutated cells,...

A member of a group of RNA viruses, the RNA of which is copied during viral replication into DNA by...

Looking back at events that have already taken place. Applying to the past, tracing what has happened already to selected...

Pertaining to the retina. The aldehyde of retinol, derived by the oxidative enzymatic splitting of absorbed dietary carotene, and having...

Nucleotide sequences, usually upstream, which are recognized by specific regulatory transcription factors, thereby causing gene response to various regulatory agents....

Functions and activities of the respiratory tract as a whole or of any of its parts.  

A large increase in oxygen uptake by neutrophils and most types of tissue macrophages through activation of an NADPH-cytochrome b-dependent...