Multiple Choice
Which of the following is a primary function of RNA in cells?
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15. Gene Expression
Introduction to Types of RNA
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Which type of ribonucleic acid (RNA) carries the coding information from DNA to the site of protein synthesis in the cell?
A
Messenger RNA (mRNA)
B
Ribosomal RNA (rRNA)
C
Small nuclear RNA (snRNA)
D
Transfer RNA (tRNA)
Verified step by step guidance1
Understand the role of RNA in the cell: RNA is a nucleic acid that plays a crucial role in the process of protein synthesis. Different types of RNA have distinct functions in this process.
Learn about messenger RNA (mRNA): mRNA is responsible for carrying the genetic information transcribed from DNA in the nucleus to the ribosome, where protein synthesis occurs.
Compare the functions of other RNA types: Ribosomal RNA (rRNA) forms the structural and functional components of ribosomes, Transfer RNA (tRNA) brings amino acids to the ribosome during translation, and Small nuclear RNA (snRNA) is involved in RNA splicing and other nuclear processes.
Identify the RNA type that carries coding information: Based on the descriptions, mRNA is the RNA type that carries the coding information from DNA to the site of protein synthesis.
Conclude that the correct answer is Messenger RNA (mRNA), as it directly fulfills the role described in the question.
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