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Cytochromes are found in

  • matrix of mitochondria

  • outer wall of mitochondria

  • cristae of mitochondria

  • lysosomes

Which statement is wrong for Krebs' cycle?

  • There are three points in the cycle where NAD+ is reduced to NADH + H+

  • There is one point in the cycle where FAD+ is reduced to FADH2

  • During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised

  • The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid

Which of the following statements regarding mitochondrial membrane is not correct?

  • The outer membrane is permeable to all kinds of molecules

  • The enzymes of the electron transfer chain are embedded in the outer membrane

  • The inner membrane is highly convoluted forming a series of infoldings

  • The outer membrane resembles a sieve

The overall goal of glycolysis, Krebs cycle and the electron transport system is the formation of

  • ATP in small stepwise units

  • ATP in one large oxidation reaction

  • Sugars

  • Nucleic acids

A competitive inhibitor of succinic dehydrogenase is 

  • malonate

  • oxaloacetate

  • alpha-ketoglutarate

  • malate

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