Translation proceeds in three phases: 1  Initiation: The ribosome assembles around the target mRNA. 2  Elongation: The tRNA transfers an amino acid to the tRNA corresponding to the next codon. 3  Termination: When a stop codon is reached, the ribosome releases the polypeptide.
To learn more about this topic, use the lesson called Phrase in Music: Definition & Structure. The lesson focuses on the following subjects: 1  Define the word, 'phrase' in regard to music.  Differentiate between weak and strong cadences.
In music, form refers to the structure of the composition. It gives a description of the layout of a musical composition and how it is divided into... In music, form refers to the structure of the composition. It gives a description of the layout of a musical composition and how it is divided into sections. There are four basic types of musical forms. When a composition is said to be iterative, phrases are repeated over and over. When it is reverting, a phrase is repeated after a contrasting one. In a strophic composition, a long melody is repeated over and over to different stanzas of a lyric. When it is progressive, new melodic material is continuously introduced. To identify the form of a composition, sections can be labeled using letters.