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BiochemistryNucleotide Metabolism

Q677. Which of the following is not a post-transcriptional modification of RNA?

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AIIMS2005Repeats: N/A
Biochemistry
Nucleotide Metabolism

Q807. If more than one codon codes for same amino acid, this phenomenon is known as— www.EduMedWeb.com www.EduMedWeb.com Page 3 www.EduMedWeb.com www.EduMedWeb.com www.EduMedWeb.com

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AIIMS2009Repeats: N/A
BiochemistryNucleotide Metabolism
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Q10030. CCR5 mutation is related to which condition ?

A.Resistance to HIV infection
B.Susceptibility to HIV infection
C.Resistance to HBV infection
D.Susceptibility to HBV infection

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NEET-PG2016Repeats: N/A
BiochemistryNucleotide Metabolism
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Q10354. Which type of Bartter's syndrome is associated with mutations in barttin?

A.Type 1
B.Type 2
C.Type 3
D.Type 4

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NEET-PG2016Repeats: N/A
BiochemistryNucleotide Metabolism
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Q11199. Which enzyme deficiency causesLesch– Nyhan syndrome ?

A.Hypoxanthine-guanine phosphoribosyltransferase (HGPRT)
B.Xanthine oxidase
C.Adenine phosphoribosyltransferase (APRT)
D.AMP deaminase

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NEET-PG2018Repeats: N/A
BiochemistryNucleotide Metabolism
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Q11907. Which enzyme deficiency causesLesch– Nyhan syndrome ?

A.Hypoxanthine-guanine phosphoribosyltransferase (HGPRT)
B.Xanthine oxidase
C.Adenine phosphoribosyltransferase (APRT)
D.AMP deaminase

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NEET-PG2018Repeats: N/A
BiochemistryNucleotide Metabolism
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Q1580. In malignant hyperthermia, a genetic mutation in the ryanodine receptor (RYR1) leads to a life-threatening reaction to certain anesthetic agents. What is the primary ionic abnormality caused by this receptor defect?

A.Nucleotide excision repair
B.Mismatch repair
C.Base excision repair
D.Increased calcium release from the sarcoplasmic reticulum

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FMGE2025Repeats: N/A
BiochemistryNucleotide Metabolism
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Q1605. Marfan syndrome is caused by mutations in which of the following genes?

A.Fibrillin-1
B.Collagen type I
C.Elastin
D.Laminin

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FMGE2025Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2441. Nonsense codons bring about ?

A.Elongation of polypeptide chain
B.Pre-translational modificastion of protein
C.Initiation of protein synthesis
D.Termination of protein synthesis

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2460. Mutation in GLUT-2 causes ?

A.Dandy walker syndrome
B.Fanconi becker syndrome
C.Beckwith syndrome
D.Menke's disease

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2548. Adenine phosphoribosyl transferase is involved ?

A.De novo purine synthesis
B.Purine degradation
C.Salvage synthesis of purine nucleotides
D.None

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2551. Purine are formed by ?

A.Aspartic acid, glycine, uric acid
B.Aspartate, glycine,
C.Aspartate, glutamate
D.Aspartate, glycine, glutamine

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2552. Which of the following is not involved in synthesis of pyrimidines?

A.Glutamine
B.CO
C.Aspartic acid
D.Glycine

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2554. Shine dalgarno sequence is related to ?

A.Transcription
B.Translation
C.DNA replication
D.None

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2556. Central Dogma of molecular biology indudes all except ?

A.Transcription
B.Translation
C.RNA replication
D.DNA replication

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2558. Primase functions as ?

A.Joining DNA fragments
B.Synthesining small RNA fragments during DNA synthesis
C.Synthesising small RNA fragments during translation
D.Unwinding of DNA

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2559. What is attatched to 3' end of mRNA after transcription?

A.Poly Atail
B.CCA
C.Intron
D.7-methylguanosine

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2561. Which of the following is a ribozyme?

A.Peptidyl transferase
B.Elongation factor 2
C.Primase
D.RNA polymerase

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2562. Primer function is in ?

A.Transcription
B.Translation
C.Initiation of DNA replication
D.Termination of DNA replication

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NEET-PG2012Repeats: N/A
BiochemistryNucleotide Metabolism
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Q2565. Reverse transcription involves ?

A.RNA dependent DNA synthesis
B.DNA dependent RNA synthesis
C.DNA dependent DNA synthesis
D.RNA dependent RNA synthesis

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NEET-PG2012Repeats: N/A
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