nucleolus
they are made up of subunits and these subunits are made within the nucleus by the nucleolus. Then they are assembled in the matrix of the nucleus.
DNA is the correct answer.
Hope it helps!
Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun. Electricity falls into its own category because it's an energy carrier and not a primary source.
