1. During the TCA cycle, four reactions occur in which a pair of electrons are t
ID: 150599 • Letter: 1
Question
1. During the TCA cycle, four reactions occur in which a pair of electrons are transferred from a substrate to an electron accepting coenzyme. These reactions are catalyzed by?
2.During the TCA cycle, four reactions occur in which a pair of electrons are transferred from a substrate to an electron accepting coenzyme. These reactions are catalyzed by?
3.Potent respiratory poison, including carbon monoxide, azide and cyanide have their toxic effect by binding to the heme a3 site of _____.
4.The first step in the TCA cycle is the condensation of the two-carbon acetyl group with a four-carbon _____ to form a six-carbon citrate molecule?
5.The inner mitochondrial membrane is virtually devoid of ____, and and rich in ____, which are characteristics of bacterial plasma membranes.
6.Iron sulfur centers are joined to the protein by linkage to a sulfur atom of a/n ___.
7.Decarboxylation of pyruvate and transfer of the acetyl group to CoA , along with the reduction of NAD+ is catalyzed by ___.
8.When FADH2 is the electron donor, electrons are passed directly to ____ in the respiratory chain
9.With the exception of ____, all of the redox centers within the respiratory chain that accept and donate electrons are prosthetic groups.
10.It iis evident fromt eh net equation fo the TCA cycle that the primary products of the pathway are the reduced coenzymes _____.
11. Complex III catalyzes the transfer of electrons from ___ to ___.
12. The passage of a pair of electrons from NADH to ubiquinone in the respiratory chain is accompanied by movement of roughly four protons from (the) ___ to (the) ___.
13. When NADH is the electron donor, electrons pass the respiratory chain by means of ____.
14. The matrix of the mitochondrion has a gel-like consistency owing to the presence of a high conentration of _____.
These are questions I missed on a quiz the instructor does not post what the answers should be and has not responded to my emails please help.
Thanks,
Amber
Explanation / Answer
answer:
1.isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase.
2.isocitrate dehydrogenase, alpha-ketoglutarate dehydrogenase, succinate dehydrogenase, malate dehydrogenase.
3.Potent respiratory poison, including carbon monoxide, azide and cyanide have their toxic effect by binding to the heme a3 site of complex iv.
4. The first step in the TCA cycle is the condensation of the two-carbon acetyl group with a four-carbon oxaloacetate to form a six-carbon citrate molecule
5.The inner mitochondrial membrane is virtually devoid of lipids, and and rich in proteins, which are characteristics of bacterial plasma membranes.
6.Iron sulfur centers are joined to the protein by linkage to a sulfur atom of cysteine sulfhydryl group.
7..Decarboxylation of pyruvate and transfer of the acetyl group to CoA , along with the reduction of NAD+ is catalyzed by pyruvate dehydrogenase complex.
8.When FADH2 is the electron donor, electrons are passed directly to Coenzyme Q in the respiratory chain
9.With the exception of Coenzyme Q, all of the redox centers within the respiratory chain that accept and donate electrons are prosthetic groups.
10.It iis evident fromt eh net equation fo the TCA cycle that the primary products of the pathway are the reduced coenzymes NAD+ and FAD.
11. Complex III catalyzes the transfer of electrons from conenzyme Q to Cytochrome C
12. The passage of a pair of electrons from NADH to ubiquinone in the respiratory chain is accompanied by movement of roughly four protons from complex I to (the) across the inner mitochondrial membrane.
13. When NADH is the electron donor, electrons pass the respiratory chain by means of coenzyme Q.
14. The matrix of the mitochondrion has a gel-like consistency owing to the presence of a high conentration of water soluble proteins.
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