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BiochemistryNucleic Acids

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Q51760. Codons are present in

A.Template strand of DNA

B.mRNA

C.tRNA

D.rRNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51761. Amino acid is attached to tRNA at

A.5’-End

B.3’-End

C.Anticodon

D.DHU loop

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51762. In prokaryotes, the ribosomal subunits are

A.30 S and 40 S

B.40 S and 50 S

C.30 S and 50 S

D.40 S and 60 S

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51763. Ribozymes are

A.Enzymes present in ribosomes

B.Enzymes which combine the ribosomal

C.Enzymes which dissociate

D.Enzymes made up of RNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51764. The smallest RNA among the following is

A.rRNA

B.hnRNA

C.mRNA

D.tRNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51765. The number of adenine and thymine bases is equal in

A.DNA

B.mRNA

C.tRNA

D.rRNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51766. The number of hydrogen bonds between adenine and thymine in DNA is

A.One

B.Two

C.Three

D.Four

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51767. The complementary base of adenine in RNA is

A.Thymine

B.Cystosine

C.Guanine

D.Uracil

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51768. Extranuclear DNA is present in

A.Ribosomes

B.Endoplasmic reticulum

C.Lysosomes

D.Mitochondria

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51769. Mitochondrial DNA is present in

A.Bacteria

B.Viruses

C.Eukaryotes

D.All of these

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51770. Ribothymidine is present in

A.DNA

B.tRNA

C.rRNA

D.hnRNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51771. Ten base pairs are present in one turn of the helix in

A.A-DNA

B.B-DNA

C.C-DNA

D.Z-DNA

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51772. Transfer RNA transfers

A.Information from DNA to ribosomes

B.Information from mRNA to cytosol

C.Amino acids from cytosol to ribosomes

D.Proteins from ribosomes to cytosol

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51773. Ceramidase is deficient in

A.Fabry’s disease

B.Farber’s disease

C.Krabbe’s disease (D) Tay-Sachs disease

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51774. Ceramide is present in all of the following except

A.Plasmalogens

B.Cerebrosides

C.Sulphatides

D.Sphingomyelin

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51775. Nucleotides required for the synthesis of nucleic acids can be obtained from

A.Mitochondria

B.Cytosol

C.Microsmes

D.Ribosomes

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51776. The nitrogen atoms for de novo synthesis of purine nucleotides are provided by

A.One nitrogen atom

B.One nitrogen and one carbon atom

C.Two carbon atoms

D.One nitrogen and two carbon atoms

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MCQs in Biochemistry

BiochemistryNucleic Acids

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Q51777. For de novo synthesis of purine nucle- otides, aspartate provides

A.Nitrogen 1

B.Nitrogen 3

C.Nitrogen 7

D.Nitrogen 9

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51778. In the purine nucleus, carbon 6 is contrib- uted by

A.Glycine

B.CO2

C.Aspartate

D.Glutamine

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MCQs in BiochemistryNucleic Acids

BiochemistryNucleic Acids

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Q51779. 5-Phosphoribosyl-1-pyrophosphate is required for the synthesis of

A.Purine nucleotides (B) Pyrimidine nucleotides

B.Both (A) and (B)

C.None of these

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MCQs in BiochemistryNucleic Acids

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