It is true that heat and acid can cause proteins to denature, which means that they lose their 3-dimensional shape. A cooked egg white that becomes opaque and solid is an example. When milk is treated with acid, the protein casein curdles into a solid and the whey separates, still liquid.
The noun TOCCATA has 1 sense: 1. a baroque musical composition (usually for a keyboard instrument) with full chords and rapid elaborate runs in a rhythmically free style. Familiarity information: TOCCATA used as a noun is very rare.
In musical notation, tessitura refers to the compass in which a piece of music liesâwhether high or low, etc.âfor a particular vocal (or less often instrumental) part. The tessitura of a piece is not decided by the extremes of its range, but rather by which part of the range is most used.