Stuttering is a speech disorder characterized by repetition of sounds, syllables, or words; prolongation of sounds; and interruptions in speech known as blocks. An individual who stutters exactly knows what he or she would like to say but has trouble producing a normal flow of speech.
The 3 types of RNA are mRNA is a long strand, the tRNA is shaped  like a clover leaf pattern. The third shape is Ribosomal RNA, it  is a very complex shape.
The three types of RNA are:mRNA-single stranded, often  depicted like a piece of string   tRNA-in 2D representations, has a circular part at the  bottom and three se â¦ lf-hydbridizing arms; resembles a four-leaf  clover.