transfer rna: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “transfer rna” mean?
A small RNA molecule that delivers a specific amino acid to the ribosome during protein synthesis, matching the amino acid to its corresponding codon on the messenger RNA (mRNA).
Audio
Pronunciation
Definition
Meaning and Definition
A small RNA molecule that delivers a specific amino acid to the ribosome during protein synthesis, matching the amino acid to its corresponding codon on the messenger RNA (mRNA).
A crucial molecule in the central dogma of molecular biology that translates genetic code into protein sequence. It acts as an adapter, reading the mRNA's three-letter code (codon) and bringing the correct amino acid to the growing polypeptide chain.
Dialectal Variation
British vs American Usage
Differences
No significant orthographic, phonetic, or semantic differences. The full term is used identically in both varieties.
Connotations
Purely technical with no cultural or regional connotations.
Frequency
Equally low frequency in both UK and US English, confined to scientific discourse.
Grammar
How to Use “transfer rna” in a Sentence
[The] transfer RNA [binds/transfers/carries] [an amino acid][An] aminoacyl-tRNA synthetase [charges/attaches] [a specific amino acid] [to] [transfer RNA]Vocabulary
Collocations
Examples
Examples of “transfer rna” in a Sentence
adjective
British English
- The transfer RNA molecule is highly conserved.
- Researchers identified a novel transfer RNA gene.
American English
- The transfer RNA pool was analyzed.
- A transfer RNA modification can affect translation.
Usage
Meaning in Context
Business
Not applicable.
Academic
Core term in molecular biology and genetics papers, textbooks, and lectures.
Everyday
Virtually never used in everyday conversation.
Technical
Essential term in laboratory protocols, research articles, and bioinformatics.
Vocabulary
Synonyms of “transfer rna”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “transfer rna”
- Misspelling as 'transfer-RNA' (hyphenated) or 'transferrna' (no space). The standard form is two words: 'transfer RNA'.
- Pronouncing it as individual letters 'T-R-N-A' is common, but saying the full term 'transfer RNA' is also correct.
- Confusing its function with that of ribosomal RNA (rRNA) or messenger RNA (mRNA).
FAQ
Frequently Asked Questions
tRNA stands for 'transfer Ribonucleic Acid'.
mRNA (messenger RNA) carries the genetic code from DNA to the ribosome, while tRNA (transfer RNA) interprets that code by bringing the correct amino acids to build the protein.
It is almost always pronounced letter-by-letter: 'T-R-N-A'. Pronouncing the full term 'transfer RNA' is also correct but less common in fast-paced technical speech.
Yes, there are many different tRNA molecules, each specific to one of the 20 standard amino acids. Some amino acids are carried by several different tRNAs (with different anticodons).
A small RNA molecule that delivers a specific amino acid to the ribosome during protein synthesis, matching the amino acid to its corresponding codon on the messenger RNA (mRNA).
Transfer rna is usually technical/scientific in register.
Learning
Memory Aids
Mnemonic
tRNA is the "taxi" of the cell: it picks up a specific amino acid "passenger" and delivers it to the ribosome "construction site," matching the address (codon) on the mRNA "blueprint."
Conceptual Metaphor
An adapter plug (tRNA) connects the electrical outlet (mRNA codon) to the correct appliance (amino acid). / A bilingual interpreter (tRNA) translates the language of nucleic acids (codon) into the language of proteins (amino acid).
Practice
Quiz
What is the primary function of transfer RNA?