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What is the expanded form of the term 'mRNA' that has been widely discussed since the beginning of the pandemic?

  • A.Messenger Ribonucleic Acid
  • B.Mutant Ribonucleic Acid
  • C.Modified Ribonucleic Acid
  • D.Mnemonic Ribonucleic Acid

Answer: A

mRNA stands for Messenger Ribonucleic Acid.

Messenger RNA carries the genetic instructions from DNA in the nucleus to the ribosomes, where they are translated into proteins. mRNA vaccines against COVID-19, such as those of Pfizer-BioNTech and Moderna, deliver mRNA that tells cells to make the virus's spike protein, prompting an immune response.

'Mutant', 'Modified' and 'Mnemonic' ribonucleic acid are not what the 'm' stands for; the molecule is named for its role as a messenger.

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