I see pictures above , what do you exactly need help with?
A _____ arrow provides a visual clue to the relationship between two cells by pointing from the precedent cell to the dependent cell. The correct answer is Tracer. <span>By using this, it is easier to check the
accuracy of the formulas or the source of the errors, if there’s any.</span>
Genes in eukaryotes are dispersed and not clustered onto a single operon