![MSC [MICROBIOLOGY / BIOTECHNOLOGY] MCQ - 5](https://i0.wp.com/1.bp.blogspot.com/-btGl759u2LQ/XsDeZzgL9FI/AAAAAAAAnvA/G7X4shTXCsspEQaVByUMeDjQ_4LVHE9-wCK4BGAsYHg/w320-h214/microbiology.png?resize=320%2C214&ssl=1 "MSC [MICROBIOLOGY / BIOTECHNOLOGY] MCQ - 5")
1 Agarose is a polymer composed of repeating units
A A monosaccharide, galactose
B A monosaccharide,3,6- anhydrogalactose
C A disaccharide consisting of two galactose units
D A disaccharide consisting of galactose and 3,6- anhydrogalactose
2 The microarrays consist of a solid support with immobilized probes. Which of the following macromolecule can constitute these probes
A DNA
B mRNA
C Gene
D Transcript
3 Wobble hypothesis is linked with
A Degeneracy of the DNA code
B Post-translational protein processing
C Semi conservative DNA replication
D Protein folding
4 One gene-one enzyme hypothesis was proposed by
A Beadle and Tatum
B Meselson and Stahl
C Hershey and Chase
D Griffith
5 In two-dimensional gel electrophoresis, the second step involves the separation of proteins based on their
A Molecular weight
B Charge to mass ratio
C Isoelectric point
D Protein specific antibodies
6 Which of the following eukaryotic cell wall component is a nitrogenous compound
A Glucans
B Cellulose
C lignin
D Chitin
7 Which of the following structural forms of DNA is a left-handed helix
A Z form
B A form
C B form
D X form
8 Prions are infectious particles containing only the
A Proteins
B DNA
C RNA
D Lipids
9 The housekeeping sigma factor for E.coli is
A Sigma 54
B Sigma 70
C Sigma 38
D Sigma 24
10 The point at which crossing overtakes has taken place between homologous chromosomes are named
A Synaptonemal complexes
B Centromeres
C Chiasmata
D Interkinins
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Question
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1
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2
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5
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10
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Answer
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B |
B
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A
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A
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C | D | A | A |
B
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C
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