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Definitions from WordNet

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MRNA

Description:

MRNA stands for messenger RNA, which is a type of RNA molecule that carries genetic information from DNA to ribosomes, where it is used as a template for protein synthesis. It plays a crucial role in the process of gene expression.

Senses:

Sense 1:

Noun - Biology

In biology, mRNA refers to the RNA molecule that carries the genetic instructions from the DNA in the nucleus to the ribosomes in the cytoplasm, serving as a template for protein synthesis.

Example sentence: The mRNA molecules transcribe the genetic code and carry it to the ribosomes where proteins are synthesized.

Sense 2:

Noun - Vaccines

In the context of vaccines, mRNA refers to a newer technology that uses synthetic mRNA molecules to provide instructions to the cells to produce specific proteins, triggering an immune response to protect against diseases.

Example sentence: The COVID-19 mRNA vaccine instructs the cells to produce spike proteins similar to the ones on the SARS-CoV-2 virus, helping the immune system recognize and fight the real virus.

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