Assuming that all the dna in human cells is in the b-dna form, how far would the dna reach if stretched end to end? express your answer in kilometers.

No, the flow of genetic information is not always consistent with the central dogma theory, reverse transcription is an example of an exception to this theory.

Yes he thought they should be left to chance why, because he thought that was the best thing to do

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.