History, Functions and Components of Nucleic Acids
Nucleoside, comprises; a nitrogenous base and:
Phosphate group
Sugar
Purine
Protein
Sugar
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DNA is organized into:A. Genetic proteins
B. Genes
C. Alleles
D. Lipids
Certain methylated purines in plants that are of pharmacological interest, included:
A. Caffeine
B. Theophylline
C. Theobromine
D. All of above
For treatment of hyperuricemia and gout, synthetic analogue of nucleotide is used, named as:
A. 5-Fluorouracil
B. Azathioprine
C. Allopurinol
D. Pancreatitis
Hypoxanthine’ and ‘xanthine’ are intermediates in synthesis of:
A. Purines
B. Pyrimidines
C. Adenine
D. Gutamates
Synthetic analogue of nucleotides, used in treating neurological disease i.e. encephalitis, known as:
A. Arabinosyladenine
B. 5-Fluorouracil
C. Allopurinol
D. Warfarin
Existence of a molecule in a ‘enol’ and ‘keto’ form, termed as:
A. Isomer
B. Polymer
C. Enantiomer
D. All of above
DNA’ was discovered by:
A. Watson
B. Crick
C. Johann Friedrich Miescher
D. Donald
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