Dr. Evil administers a toxin that disrupts ribosomal RNA (rRNA) synthesis in the cell above. Which labeled structure would be most negatively impacted by this toxin?

Well for this question it is necessary that you upload the image.

Although I would tell you that whenever mRNA is affected, protein synthesis is one of the most important and relevant causes in cell life.

Explanation:

Another fact to add is that according to the protein that is selected, determine the vitality or not of the cell.

In the inoculation of the toxin if the synthesis of a protein that makes up the membrane structure, or of the fundamental structures for vitality, is affected, the cell will go into apoptosis or die.

On the other hand, if the protein synthesis is referred to some enzyme, or a second protective messenger, the cell continues with its vitality.

haploid cells;

the answer is b.) hydrogen bonds between bases.