Worksheets8 Microbial Physiology Module 8: Bioenergetics and E- Transport
Total questions: 15
Worksheet time: 8mins
All of the following are high energy molecules except:
Adenosine triphosphate
Nicotinamide adenine dinucleotide
Phosphoenolpyruvate
All of the aforementioned.
None of the aforementioned
A negative Gibbs free energy value denotes:
Reaction is endergonic
Reaction requires energy to proceed
Reaction does not require energy to proceed
Reaction proceeds with the release of free energy
All of the following is FALSE except:
Oxidation is the addition of electrons
Redox reaction is an oxidation reaction paired with reduction reaction
Oxidation requires oxygen molecules in the reaction
None of the aforementioned.
Of the following compounds, which will release the highest free energy upon group transfer:
Glucose-6-phosphate
ATP
Acetyl-phosphate
Phosphoenolpyruvate
None of the aforementioned.
Which of the following is/are FALSE:
Enzymes are catalysts that lower the activation energy of a reaction
Enzymes affect the energetics or the equilibrium of a reaction
Enzymes affect only the rate at which reactions proceed
Enzymes are not consumed or transformed by reactions
None of the aforementioned.
Which of the following molecules donates electron most readily?
Oxygen
Cytochrome
Ubiquinone
NADH
None of the aforementioned.
The following major roles are played by adenosine triphosphate except:
As an energy source
ATP can be used to form amide linkages
ATP can be used to form peptide bonds
ATP can be used to form ester bonds
None of the aforementioned.
ATP synthesis can happen through the following pathways EXCEPT:
Oxidative phosphorylation
Substrate-level phosphorylation
Photophosphorylation
Respiratory Chain
None of the aforementioned.
The following statements are TRUE about Electron Transport Chain (ETC) except:
ETC involves transfer of electrons from the primary electron donor.
Mainly occurs in the membrane
Involves series of electron carriers
Coupled with electrochemical proton gradient generation
None of the above
Respiratory activity can occur in all of the following condition except in:
Aerobic condition
Microaerophilic condition
Anaerobic condition
B and C
None of the aforementioned.
Which of the following molecules is/are proton pump?
NADH dehydrogenases
Flavoproteins
Cytochrome c
Ferredoxins
None of the aforementioned.
Which of the following carriers shuttles electrons from Complex I to Complex III of ETC?
NADH dehydrogenase
Ubiquinone
Cytochrome
Ferredoxin
None of the aforementioned.
Which of the following carriers shuttles electrons from Complex III to Complex IV?
NADH dehydrogenase
Ubiquinone
Cytochrome
Ferredoxin
None of the aforementioned.
Which of the following carriers can freely move across the membrane?
NADH dehydrogenase
Ubiquinone
Cytochrome
Ferredoxin
For chemolithotrophs, which is not an electron acceptor?
SO
SO4 2-
NO3-
Fumarate
None of the aforementioned.
