The shape of the DNA in mitochondria is most similar to?
a) the e. coli in your small intestine
b) your cheek cells
c) your red blood cells
d) the hair cells in your inner ear

Question

The shape of the DNA in mitochondria is most similar to?
a) the e. coli in your small intestine
b) your cheek cells
c) your red blood cells
d) the hair cells in your inner ear

anonymous · Answer

correct is answer is a. 
Mitochondria ( so its DNA) are originated from prokartyotic like organism, according to endosymbiotic theory. The DNA is circular, not forming any chromatin or nucleosome like structures compared to nuclear DNA. The DNA sequence and patterns are about similar to prokaryots also

mayankdevnani · Answer

Option is D Correct.. 
mitochondria, which are about 500 nm (0.5 μm) wide is similar to our hair cells..

mayankdevnani · Answer

@Cyn_A

anonymous · Answer

@mayankdevnani,  the question is about mitochondrial DNA, not on mitochondrial shape

anonymous · Answer

due to prokaryotic origin, mitochondrial DNA are circular like bacterial DNA. It is totally different from nuclear DNA (which has got strict structure by forming nucleosome and then to chromatin and chromosome) of the same cell. The nature of DNA in mitochondria and chloroplast are the strong support to the endosymbiotic theory (theory argues that mitochondria, plastids (e.g. chloroplasts), and possibly other organelles of eukaryotic cells, originate through symbiosis between multiple micro-organisms.)