Which of the following is true concerning mitochondrial DNA?
A) mitochondria have their own DNA
B) DNA in mitochondria must be transcribed and translated outside of the mitochondria since mitochondria have no protein synthesis capability
C) Alzheimers disease is the only known disease related to mt DNA
D) all of these are true

Question

Quizplus · Accepted Answer

Mitochondria have their own DNA, separate from the nuclear DNA.

Option B is incorrect because mitochondria have their own ribosomes and can carry out protein synthesis within their own structure.

Option C is incorrect because there are many other diseases related to mitochondrial DNA mutations, such as Leigh syndrome and MELAS syndrome.

Therefore, A is the only true statement.

Which of the Following Is True Concerning Mitochondrial DNA