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BiochemistryEnzymes

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Q7881. Which of the following is known as suicidal enzyme?

A.Lipoxygenase

B.Cyclooxygenase

C.Thromboxane synthatase

D.5' nucleotidase

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NEET-PG

2015

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BiochemistryEnzymes

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Q7884. Example of allosteric inhibition

A.Inactivation of glycogen synthase by phosphorylation

B.Decreased synthesis of glucokinase by glucagon

C.Inhibition of PFK-1 by citrate

D.All of the above

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NEET-PG2015Repeats: N/A

BiochemistryEnzymes

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Q7919. Coenzyme for phenylalanine hydroxylase is -

A.Tetrahydrofolate

B.Pyridoxal phosphate

C.S-adenosyl methionine

D.Tetrahydrobiopterin

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NEET-PG2015Repeats: N/A

BiochemistryEnzymes

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Q7934. Niacin acts as coenzyme -

A.TPP

B.FAQ

C.NAD

D.NAD

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NEET-PG2015Repeats: N/A

BiochemistryEnzymes

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Q7953. a-aminolevulinic acid is a metabolic product in synthesis of -

A.Tryptophan

B.Collagen

C.Glycosaminoglycans

D.Heme

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NEET-PG2015Repeats: N/A

BiochemistryEnzymes

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Q9509. Tisse factor activates?

A.Preaccelerin

B.Hageman facter

C.Labile facter

D.Prothrombin

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NEET-PG2016Repeats: N/A

BiochemistryEnzymes

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Q9567. Cofactor for dopamine hydroxylase ?

A.Fe

B.Mg

C.Mn

D.Cu

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NEET-PG2016Repeats: N/A

BiochemistryEnzymes

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Q11304. Which one of the following shows allosteric inhibition?

A.Malonic acid & succinate

B.2,3 BPG

C.Amino acid alanine & pyruvate kinase

D.Citrate

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NEET-PG2018Repeats: N/A

BiochemistryEnzymes

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Q12012. Which one of the following shows allosteric inhibition?

A.Malonic acid & succinate

B.2,3 BPG

C.Amino acid alanine & pyruvate kinase

D.Citrate

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NEET-PG2018Repeats: N/A

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