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Biochemistry

NUCLEIC ACIDS MCQs

Total Questions : 89

Page 1 of 9 pages
Question 1. Which of the following nucleotides is not present in DNA?
  1.    AMP
  2.    GMP
  3.    CMP
  4.    UMP
 Discuss Question
Answer is Option D. -> UMP
Answer: (d).UMP
Question 2. Which of the following involves carrying genetic information from DNA for protein synthesis?
  1.    m-RNA
  2.    t-RNA
  3.    r-RNA
  4.    sn-RNA
 Discuss Question
Answer is Option A. -> m-RNA
Answer: (a).m-RNA
Question 3. Fatty acids which must be obtained from food are called as
  1.    non-essential fatty acids
  2.    saturated fatty acids
  3.    unsaturated fatty acids
  4.    essential fatty acids
 Discuss Question
Answer is Option D. -> essential fatty acids
Answer: (d).essential fatty acids
Question 4. Which of the following is false?
  1.    RNA does not obey Chargaff’s rule
  2.    DNAs can be identified by Orcinol color reaction
  3.    In RNA OH group is present at 2’ position
  4.    Alkali hydrolyses RNA to 2’3’-cyclic diesters
 Discuss Question
Answer is Option B. -> DNAs can be identified by Orcinol color reaction
Answer: (b).DNAs can be identified by Orcinol color reaction
Question 5. Naturally occurring fatty acids have number of carbon atoms in range
  1.    15-Oct
  2.    28-Dec
  3.    30-40
  4.    50-100
 Discuss Question
Answer is Option B. -> 28-Dec
Answer: (b).28-Dec
Question 6. Fatty acids are usually derived from
  1.    triglycerides
  2.    phospholipids
  3.    both a and b
  4.    Proteins
 Discuss Question
Answer is Option C. -> both a and b
Answer: (c).both a and b
Question 7. Nucleic acids are made up of monomers called
  1.    nucleotides
  2.    nucleosides
  3.    DNA
  4.    RNA
 Discuss Question
Answer is Option A. -> nucleotides
Answer: (a).nucleotides
Question 8. Carboxylic acid with a long aliphatic chain is termed as
  1.    protein
  2.    carbohydrate
  3.    fatty acid
  4.    vitamin
 Discuss Question
Answer is Option C. -> fatty acid
Answer: (c).fatty acid
Question 9. If the sugar in nucleic acid is deoxyribose, than polymer is
  1.    RNA
  2.    DNA
  3.    NADP
  4.    NADPH
 Discuss Question
Answer is Option B. -> DNA
Answer: (b).DNA
Question 10. RNA molecules exist as
  1.    double stranded molecules
  2.    single stranded molecules
  3.    sheets
  4.    Globular form
 Discuss Question
Answer is Option B. -> single stranded molecules
Answer: (b).single stranded molecules
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Sub Topics

  • Allosteric Effects
  • Amino Acids
  • Anti Bodies
  • Antigens And Immune Response
  • Atp Synthesis And Fatty Acid Oxidation
  • Biosignalling
  • Carbohydrate
  • Cell Signalling And Transduction
  • Cell Structure And Compartments
  • Database Similarity Searching
  • Disease Associated With Immune System
  • Dna
  • Enzymes
  • Gas Chromatography
  • Gel Electrophoresis
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  • Genetic Regulation Prokaryotes
  • Hplc
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  • Multiple Sequence Alignment
  • Nitrogen Metabolism
  • Nucleic Acids
  • Oxidative Phosphorylation And Photophosphorylation
  • Photosynthesis And Respiration
  • Polymerase Chain Reaction In Biochemistry
  • Principles Of Bioenergetics And Glycolysis
  • Protein Purification
  • Protein Stability
  • Protein Synthesis
  • Recombinant Dna Technology
  • Rna Structure
  • Sequence Alignment
  • Spectroscopy And Chromatography
  • Structural Bioinformatics
  • Structure And Properties Of Amino Acids
  • Structure And Properties Of Peptides
  • Structure Of Proteins
  • Tca Cycle
  • Thermodynamics And Free Energy
  • Transcription And Regulation
  • Vitamins And Coenzymes
  • Water

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