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Forwarded from طـن أمسكيوات
________ accepts hydrogen from malate.
Anonymous Quiz
26%
a) FAD
53%
b) NAD
13%
c) NADP
7%
d) FMN
Forwarded from طـن أمسكيوات
Which of the intermediate of the Kreb’s cycle is utilised in the formation of amino acids?
Anonymous Quiz
10%
a) Citric acid
6%
b) Malic acid
4%
c) Isocitric acid
80%
d) 𝛼-ketoglutaric acid
Forwarded from طـن أمسكيوات
Acetyl CoA is formed from pyruvate by______reaction.
Anonymous Quiz
19%
a) Dehydration
5%
b) Reduction
68%
c) Oxidative decarboxylation
8%
d) Dephosphorylation
Forwarded from طـن أمسكيوات
Which of the following is not formed during the Krebs cycle?
Anonymous Quiz
85%
a) Lactate
2%
b) Isocitrate
3%
c) Succinate
10%
d) Both (a) and (b)
Forwarded from طـن أمسكيوات
The entry of pyruvate into the TCA cycle is inhibited by the presence of a high cellular concentration of:
Anonymous Quiz
22%
a) Pyruvate
35%
b) NADH
26%
c) Coenzyme A
16%
d) AMP
Forwarded from طـن أمسكيوات
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