Calvin Cycle: Series of biochemical, enzyme-mediated reactions during which atmospheric carbon dioxide is reduced and incorporated into organic molecules, eventually some of this forms sugars. In eukaryotes, this occurs in the stroma of the chloroplast.

 

Related Words

Calvin Cycle: Series of biochemical, enzyme-mediated reactions during which atmospheric carbon dioxide is reduced and incorporated into organic molecules, eventually some of this forms sugars. In eukaryot . . . View Full Definition

Motorcycle Assembly: The putting together of manufactured parts to make a completed motorcycle, or the set of parts so assembled.

Motorcycle: Motorcycles are 2-wheel vehicles patterned after bicycles but with engines and much heavier frames. Early motorcycles were actually bicycles fitted with small internal combustion engines. Th . . . View Full Definition

Motorcycle Safety Foundation (MSF): The Motorcycle Safety Foundation is a US national, not-for-profit organization sponsored by the U.S. manufacturers and distributors of BMW, Ducati, Harley-Davidson, Honda, Kawasaki, KTM , Pi . . . View Full Definition

Mystery Cycle: A collection of mystery plays in a single manuscript meant to be performed sequentially. See discusion under mystery play, below.

Node Cycle: Period of approximately 18.61 Julian years required for the regression of the Moon's nodes to complete a circuit of 360° of longitude. It is accompanied by a corresponding cycle of changing . . . View Full Definition

New Werner Motorcycle: Unveiled at the 1901 Cycle & Motor Show in Paris, the “New Werner” is one of the early motorbikes to have its engine mounted in the lower part of the frame (most motorcycles since then use t . . . View Full Definition

Metonic Cycle: The nineteen-year cycle named for the Athenian astronomer Meton who discovered (ca. 432) that the new Moon occurs on the same day of the year at approximate nineteen-year intervals.

Menstrual Cycle: The recurring secretion of hormones and associated uterine tissue changes; typically 28 days in length.

Lunar Cycle: An ambiguous expression which has been applied to various cycles associated with the Moon's motion. See Callippic cycle, Metonic cycle, node cycle, and synodical month.