Synthesis of MRNAs in Paramyxoviruses Occurs Through a Single-Entry Mechanism

question 1

Multiple Choice

Synthesis of mRNAs in paramyxoviruses occurs through a single-entry mechanism, which is where the RNA-dependent RNA polymerase can only start transcription from the 3' end of the genome.Which of the following is a consequence of this mechanism?

• A) More negative-strand genomes are produced than positive-strand antigenomes.
• B) The RNA-dependent RNA polymerase binds to both end of the genome for genome replication
• C) The RNA-dependent RNA polymerase binds to both ends of the genome for transcription
• D) More mRNA is produced from the coding regions at the 5' end of the genome.
• E) More mRNA is produced from the coding regions at the 3' end of the genome.

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