The answer should be nucleus
Degraded mitochondrial DNA can be used successfully for anlaysis, this is not so with nuclear DNA. Family members from the same maternal source has identical mitochondrial DNA, so in cases of missing persons, sample mitochondrial DNA can be collected from maternal relatives for identification.
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
B cse i js did that nd got it correct
