Why is impossible for post-transcriptional editing of mRNA to occur in prokaryotes?

Classify the structures as homologous or analogous, depending on their structure and function.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

What is the process of pulling apart an n2 molecule nevermind i got it