A Commonly Encountered Feature of Transfer RNA Synthesis Is

question 8

Multiple Choice

A commonly encountered feature of transfer RNA synthesis is

• A) the precursor of several tRNA molecules is transcribed in one long polynucleotide sequence
• B) there is little or no base modification after transcription
• C) modification of the sugar moiety never takes place
• D) the covalent binding of tRNA to specific proteins

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Definitions:

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions for the development and functioning of living organisms.

Posttranslational

Refers to the chemical modifications and processes occurring to a protein after it has been synthesized by ribosomes.

Translational

Pertaining to the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis.

Posttranscriptional

Pertains to the alterations and processes that RNA molecules undergo after they are transcribed from DNA but before they are translated into proteins.