Which methods of gene regulation are shared by both prokaryotes and eukaryotes? a) elaborate packing of dna into chromosomes b) activator and repressor proteins that attach to dna c) the addition of a cap and tail to mrna after transcription d) lac and trp operons

I think it is B but I’m not sure

B

Explanation:

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above