Mitochondria Quiz

Which process is NOT associated with mitochondria?

• Urea cycle

• ATP production

• Apoptosis

• Photosynthesis

What type of inheritance is primarily associated with mitochondrial DNA?

• Paternally inherited

• Maternally inherited

• Biparental inheritance

• Random inheritance

What is heteroplasmy?

• Single type of mitochondrial DNA

• Mitochondrial DNA replication

• Absence of mitochondrial DNA

• Presence of multiple mitochondrial DNA types

How many genes are contained in the human mitochondrial genome?

• 232

• 112

• 50

• 37

Which complex is known as Complex I in the electron transport chain?

• Cytochrome c reductase

• Succinate dehydrogenase

• Cytochrome c oxidase

• NADH dehydrogenase

What is the net yield of ATP from the complete oxidation of one molecule of glucose?

• 2

• 50

• 30

• 10

What is the role of iron-sulfur clusters in mitochondria?

• Lipid synthesis

• Protein synthesis

• Electron transfer

• Energy storage

What is the 'Mother's Curse' in relation to mitochondrial inheritance?

• Random inheritance of mtDNA

• Maternal inheritance causing that males inherit for them harmful mitochondrial genome

• Biparental inheritance of mtDNA

• Paternal inheritance of mtDNA

Which of the complexes is NOT a proton pump?

• Complex I (the NADH dehydrogenase complex)

• Complex II (the succinate dehydrogenase complex)

• Complex III (the cytochrome c reductase)

• Complex IV (the cytochrome c oxidase complex)

Cytochrome c works as an electron shuttle between which complexes?

• Complex I and II

• Complex II and III

• Complex III and IV