Why must cells be able to both transcribe and replicate their dna? the cell's dna must be transcribed before it can be replicated. new cells can only be created after transcription has taken place. transcription can be used when a cell is unable to replicate. replication creates new dna while transcription creates mrna.

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2