A) mitochondria were capable of self-duplication
B) mitochondria were initially aerobic bacteria
C) mitochondria were chloroplast in the beginning
D) None of the above
Correct Answer: B
Solution :
According to endosymbiotic hypothesis of mitochondria by Hilman, mitochondria were initially free-living, aerobic bacteria which during the process of evolution, got entrapped in larger eukaryotic cells. Where they then transformed into their useful inseparable components in due course of time.
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