Answer:
I believe the correct answer is<em> </em><u><em>C. mRnA translation. </em></u>
Explanation:
Because the gene expression is controlled on two levels. First, transcription is controlled by limiting the amount of mRNA that is produced from a particular gene. The second level of control is through post-transcriptional events that regulate the translation of mRNA into proteins.
Answer:
The seedless vascular plants can be divided into three groups: Lycophyta (lycophytes), Sphenophyta (horsetails), and Pterophyta (ferns). Lycophytes appeared during the Devonian period but split into two lines during the Carboniferous period.