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Friday, May 31, 2013
Thursday, May 30, 2013
Wednesday, May 29, 2013
Bioperl - MCQ
1. Bioperl is an active ________ software project supported by the Open Bioinformatics
Foundation.
Saturday, May 25, 2013
Basics of Bioinformatics, Genetics and Biotechnology
1. Double standard RNA is seen in
Rhabdo virus
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Parvo virus
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Reo virus
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Retro virus
2. DNA finger printing is based on
3.The following are the RNA viruses, except
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Friday, May 24, 2013
Bioinformatics MCQ
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http://wps.prenhall.com/esm_klug_essentials_5/17/4576/1171660.cw/-/1171662/index.html
1. The length of each coil in DNA strand is
30 Ao
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5 Ao
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34 Ao
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15 Ao
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2. The diagrammatic representation of the total no. of genes in DNA is
Gene map
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Genome
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Gene-structure
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Chromatin
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3. The best studied example for specialized transduction is
P1 phage
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Both a and c
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P22 phage
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ë-phage
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4. The bases Adenine and Thymine are paired with
Single hydrogen bonds
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Both b and c
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Triple hydrogen bonds
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Double hydrogen bonds
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5. During specialized transduction
Large amound of DNA is transferred
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A few no. of genes are transferred
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None of these
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Whole DNA is transferred
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6. Nucleic acids are highly charged polymers due to
Nucleotides are charged structures
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They have positive and negative ends
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Nitrogenous bases are highly ionized
compounds
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There is phosphodiester bond between 5’-
hydroxyl of one ribose and 3’–hydroxyl of
next ribose
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7. The no. of hydrogen bonds existing between Guanine and Cytosine are
3
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2
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None of these
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5
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8. Genetic information transfer DNA to RNA is called –
Transcriptase
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Transduction
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Transformation
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Recombination
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9. The gene transfer occurs by –
Transformation
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Transduction
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Cell fusion
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Conjugation
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10. The cell donating DNA during transformation is
Endogenate
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Mesozygote
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Merosite
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Exogenate
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