NEED HELP ASAP WILL GIVE BRAINLIST One way eukaryotes stop gene expression is by stopping the "splicing process" of mRNA. What is occurring during the splicing process that finalizes the DNA?

introns are added

introns are removed

exons are removed

exons are added

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

What molecule does hemoglobin decay into over time