troponin. small proteins attached along the length of the tropomyosin chains; when calcium present in sarcoplasm, it binds to this, causing it to change shape and drag tropomyosin chain off active sites of G actin allowing myosin heads to bind to active sites on G actin, shortening sarcomere. î î î.
Meera. Mirabai (1498-1547) (also spelled Meera) was a female Hindu mystical poet whose compositions are popular throughout India. She was a 16th-century Indian princess who devoted her life to the god Krishna. The name 'Meera' is of Israeli and Hindu origin, and its meaning is light; saintly woman.
Freebase(0.00 / 0 votes)Rate this definition: Ephemera. Ephemera is any transitory written or printed matter not meant to be retained or preserved. The word derives from the Greek, meaning things lasting no more than a day. Some collectible ephemera are advertising trade cards, airsickness bags, bookmarks, catalogues, greeting cards, letters, pamphlets, postcards, posters, prospectuses, stock certificates, tickets and zines.