Question

question 12
following transcription, the
○ mrna is digested.
○ strands of dna bond back to each other.
○ dna molecule is broken down.
○ ribosome is released from the trna molecule.

Explanation:

To solve this, we analyze each option:

• "mRNA is digested" is incorrect as mRNA is used in translation, not digested right after transcription.
• "strands of DNA bond back to each other": During transcription, DNA unwinds, and after RNA polymerase synthesizes mRNA, the DNA strands re - anneal (bond back). This is correct.
• "DNA molecule is broken down" is wrong; DNA is not broken down after transcription.
• "ribosome is released from the tRNA molecule" is incorrect as ribosomes and tRNA interact in translation, not related to post - transcription events.

Answer:

B. strands of DNA bond back to each other.