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Forwarded from طـن أمسكيوات
Which of the following enzyme catalyzes substrate-level phosphorylation i.e conversion of GDP to GTP?
Anonymous Quiz
9%
a) Malate dehydrogenase
7%
b) Fumarase
11%
c) Isocitrate dehydrogenase
73%
d) Succinyl CoA thiokinase
Forwarded from طـن أمسكيوات
Which of the following enzyme of the TCA cycle catalyzes co-reduction of FAD+ to FADH2?
Anonymous Quiz
5%
a) Isocitrate dehydrogenase
16%
b) Alpha-ketoglutarate dehydrogenase
67%
c) Succinate Dehydrogenase
12%
d) Malate dehydrogenase
Forwarded from طـن أمسكيوات
Which of the following metabolic intermediate activates the TCA cycle?
Anonymous Quiz
37%
a) High NADH/NAD ratio
22%
b) High ADP/ATP ratio
31%
c) High Oxaloacetate
10%
d) None of the above
Forwarded from طـن أمسكيوات
Is important for Synthesis of mg+2
Anonymous Quiz
39%
Succinate Succinyl-CoA
29%
Oxaloacetate
15%
Malate
17%
Succinate
Forwarded from طـن أمسكيوات
Acetyl CoA consist of…Carbons ?
Anonymous Quiz
67%
2
17%
4
6%
5
10%
3
Forwarded from طـن أمسكيوات
Forwarded from طـن أمسكيوات
Ketoglutarate cosist of…Carbons?
Anonymous Quiz
22%
2
33%
4
38%
5
6%
6
Forwarded from طـن أمسكيوات
Succinyl-CoA consist of…Carbons
Anonymous Quiz
19%
2
59%
4
13%
6
9%
5
Forwarded from طـن أمسكيوات
tricarboxylic acid cycle is a sequence of
reactions in mitochondria
Anonymous Quiz
92%
✅️
8%
❌️
Forwarded from طـن أمسكيوات
THE CITRIC ACID CYCLE It is the final common pathway for the oxidation of
Anonymous Quiz
3%
protein
7%
carbohydrate
1%
lipid
10%
A&C
78%
All the following
Forwarded from طـن أمسكيوات
The citric acid cycle also has a central role in glycolysis , lipolysis and interconversion of amino acids.
Anonymous Quiz
74%
✅️
26%
❌️
Forwarded from طـن أمسكيوات
Acetyl-CoA + oxaloacetate = ـــــــــــــ catalyzed by ـــــــــــــ
Anonymous Quiz
10%
isocitrate , citrate synthase
5%
oxalosuccinat , isocitrate dehydrogenase
4%
oxalosuccinate , aconitase
82%
citrate,citrate synthase
Forwarded from طـن أمسكيوات
There are three isoenzymes of isocitrate dehydrogenase. One, which uses NAD+, is found only in cytosol . The other two use NADP+ and are found in mitochondria and the cytosol
Anonymous Quiz
58%
✅️
42%
❌️
Forwarded from طـن أمسكيوات
one of the following complexes is similar to that involved in the oxidative decarboxylation of pyruvate
Anonymous Quiz
10%
B-succinate dehydrogenase
8%
α-malate dehydrogenase
73%
α-ketoglutarate dehydrogenase
8%
isocitrate dehydrogenase
Forwarded from طـن أمسكيوات
High concentrations of ـــــــــــــ inhibit α-ketoglutarate dehydrogenase
Anonymous Quiz
38%
NH4
11%
Cl-
44%
NH3
8%
CuSo4
Forwarded from طـن أمسكيوات
for the decarboxylation of oxaloacetate to phosphoenolpyruvate in gluconeogenesis the ـــــــــــــ is use as source of energy
Anonymous Quiz
36%
ATP
46%
GTP
9%
ADP
9%
GDP
Forwarded from طـن أمسكيوات
Total final energy that can be obtained from Citric Acid Cycle is
Anonymous Quiz
48%
9 ATP + 1 ATP or GTP
27%
10 ATP + 1 ATP or GTP
4%
15 ATP + GTP
22%
30 ATP
Forwarded from طـن أمسكيوات
B1 is participate In step no ـــــــــــــ which α-ketoglutarate dehydrogenase is used as as a catalyst
Anonymous Quiz
26%
3
61%
4
10%
5
3%
8