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01:694:301 Study Guide - Midterm Guide: Succinyl-Coa, Isocitric Acid, Malic AcidExam


Department
Molecular Biology and Biochemistry
Course Code
01:694:301
Professor
F Deis
Study Guide
Midterm

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Quick-Assessment Review
BIO
Instructions
BIO
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This assessment is worth 30 points.
Place the following reaction intermediates of the citric acid cycle in chronological
order.
i. malate ii. fumarate iii. succinyl CoA iv. citrate v. a-ketoglutarate
1.
(1 point)
i, ii, iv, v, iiia.
iv, v, iii, i, iib.
iv, i, v, iii, iic.
v, iii, i, ii, ivd.
iv, v, iii, ii, ie.
Oxalosuccinate is a transient intermediate formed during which of the following
reactions?
2.
(1 point)
Citrate Isocitratea.
Isocitrate a-Ketoglutarateb.
Pyruvate Acetyl CoAc.
Malate Oxaloacetated.
Succinyl CoA Succinatee.
FADH2 is a product of which of the following reactions?3.
(1 point)
Pyruvate Acetyl CoAa.
Malate Oxaloacetateb.
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Succinyl CoA Succinatec.
Succinate Fumarated.
Succinate Malatee.
NADH is produced in which of the following reactions?4.
(1 point)
Malate Fumaratea.
Succinate Fumarateb.
a-Ketoglutarate Succinyl CoAc.
Succinyl CoA Succinated.
Oxaloacetate Citratee.
Which of the following reactions can be described as anaplerotic?5.
(1 point)
Oxaloacetate + Acetyl CoA Citratea.
Malate Oxaloacetateb.
Pyruvate + CO2 Oxaloacetatec.
Both A and B are correct.d.
All of the above are correct.e.
The enzymes that are unique to the glyoxylate cycle include _______________.6.
(1 point)
aconitasea.
malate dehydrogenaseb.
fumarasec.
succinate dehydrogenased.
isocitrate lyasee.
The regulated enzymes of the citric acid cycle include ____________ .7.
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(1 point)
malate dehydrogenasea.
fumaraseb.
citrate lyasec.
a-ketoglutarate dehydrogenased.
succinate thiokinasee.
The enzymes involved in citrate metabolism include all of the following except
_______________.
8.
(1 point)
citrate synthasea.
citrate lyaseb.
pyruvate carboxylasec.
malate synthased.
malic enzymee.
Redox potential is best defined as:9.
(1 point)
The tendency of one species to gain electrons.a.
The tendency of one species to lose electrons.b.
The tendency of a species to gain or lose electrons.c.
The entropy of a reaction expressed as a voltage difference.d.
None of the above are correct.e.
In order to determine the standard voltage of a reaction10.
(1 point)
the individual reaction reduction potentials must be added.a.
the standard cells must be written as they occur in the reaction and the
voltages are added.
b.
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