The following types of RNA are common to all organisms, except :
A) mRNA
B) rRNA
C) snRNA
D) tRNA
E) All types are found in all organisms.

Question

Quizplus · Accepted Answer

snRNA (small nuclear RNA) is not found in all organisms; it is primarily involved in the splicing of pre-mRNA in eukaryotes and is not found in prokaryotes, which lack a nucleus. mRNA, rRNA, and tRNA are essential for protein synthesis in all living organisms.

The Following Types of RNA Are Common to All Organisms