Biology

For A: Energy production in cells is typically carried out by mitochondria (in eukaryotes) or the cell membrane (in prokaryotes), not by DNA. DNA provides the instructions for making proteins, some of which are involved in energy production, but it doesn't directly produce energy itself.
For B: DNA serves as the blueprint for the development, functioning, and reproduction of all living organisms. It carries genetic instructions that are passed from one generation to the next, guiding the formation of proteins and ens...