ribophagyThe degradation of ribosomes by autophagy.
ribophorinAny of a group of transmembrane glycoproteins located in the membrane of the rough endoplasmic reticulum, but absent in the membrane of the smooth endoplasmic reticulum.
riboplasmThe part of an anammox bacterium that holds the chromosome, ribosomes and anammoxosome; it is surrounded by the paryphoplasm that is analogous to the periplasm that surrounds the cytoplasm in Gram-negative bacteria
riboregulatorAn RNA that regulates expression of itself or another nucleic acid in response to a signaling event.
riboregulatoryRelating to a riboregulator or to riboregulation
riborepressorA section of RNA that represses a biochemical function
riboseA naturally occurring pentose sugar, which is a component of the nucleosides and nucleotides that constitute the nucleic acid biopolymer, RNA. It is also found in riboflavin.
ribosugarAny sugar derived from ribose or deoxyribose
riboswitchA segment within the leading end of a messenger RNA transcript that is able to gauge the cell's need for the protein encoded by the rest of the message, then to rearrange its shape to control whether that protein is manufactured
ribstoneA petroglyph in the form of an animal's rib cage.
ribulokinaseA transferase enzyme that catalyzes the chemical reaction ATP + L(or D)-ribulose ⇌ ADP + L(or D)-ribulose 5-phosphate.
ribulosea ketopentose whose phosphate derivatives participate in photosynthesis
ribulosebisphosphatecarboxylaseoxygenaseThe enzyme that allows plants, algae, and some bacteria to capture carbon dioxide from the atmosphere and convert it into organic compounds during photosynthesis. It catalyzes the first major step of the Calvin cycle, making it one of the most important enzymes for sustaining life on Earth.
riburamycinAny of a group of antibiotics that are simplified analogues of liposidomycin.
ribwichA boneless rib sandwich, usually with BBQ sauce and deboned pork ribs.
ribworkThe use of ribs in architecture or construction.
ribwortribgrass; Old World plantain, Plantago lanceolata.
ricaniidAny member of the family Ricaniidae of planthoppers.
RicardianSomeone who believes King Richard III was a just king, misrepresented by Tudor propaganda; a supporter of Richard III.
RicardianismThe economic theories of David Ricardo (1772–1823), British political economist.
RicardoA male given name from Portuguese or Spanish, equivalent to English Richard.
ricassoThe base of a sword or knife blade where it joins the tang.