Coupling Quiz

Do you feel the Coupling?

Note: This quiz was made to test your knowledge of mitochondrial terminology of coupling states and to help you understand basic concepts of mitochondrial physiology

1 Maximal oxygen flux J_kO2 is reached in:

state.

2 The mechanism of cycling of cations across the mitochondrial inner membrane (mtIM), strongly stimulated by permeability transition (mtPT); comparable to the use of protonophores e.g. by UCP1 or cation (Ca2+) cycling, leads to:

	Charge number of O2 = 4
	Atomic number of O2 = 8
	Elementary charge of O2 in [C]
	Alphabetical order of O2 isotope

3 How are the units of electric energy [J] and electric force [V] related?

	V = (J·F)/C
	V = J·C
	V = J/(C·F)
	V = J/C

4 Express -460 kJ/mol O₂ as electrical force in units of volt [V].

	- 120 V
	1.2 V
	-1.2 V
	- 1.2 kV

5 Why should we do that?

	To express both in identical motive units [MU]
	To get free drinks
	To feel insecure
	To compliment our brain mitochondria

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