Protein synthesis occurs as a series of events that begins with DNA in the nucleus and ends with a fully formed and shaped protein molecule. Which of the events in protein synthesis demonstrates that the expression of genes is a regulated process?
Answer
A An mRNA molecule is transcribed from a section of DNA.
B The mRNA exits the nucleus through nuclear pores.
The mRNA is translated by a ribosome to form a polypeptide strand.
The polypeptide strand is folded into the appropriate shape.
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