Which of the Following is an Unusual Nucleoside That Is

Question

Which of the following is an unusual nucleoside that is only found in tRNA?
A) Adenine
B) Inosine
C) Proline
D) Phenylalanine
E) Guanine

Accepted Answer

Inosine is the unusual nucleoside that is only found in tRNA. The other options (adenine, proline, phenylalanine, and guanine) are not nucleosides, but rather an amino acid, an organic molecule, and a purine base, respectively.