Dna is made up from 4 different bases (nucleotides), adenine (a), thymine (t), guanine (g) and cytosine (c). this is true for plants, animals, bacteria, in fact it is true all life forms on earth that contain dna.

Yes this is true. Was there a question you wanted to ask?!

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.

Trees and plants release what does air have in it? wate