Shine Dalgamo sequence present on mRNA in case of prokaryotes plays as important role in protein synthesis. This sequence binds with . . . . . . . . during translation initiation
A. 16s RNA
B. tRNA
C. 23s RNA
D. 5s RNA
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Which organelles is/are semi autonomous in nature?
A. Mitochondria
B. Chloroplast
C. Microtubules
D. Both A and B
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The transcription factor helps in recruitment of RNA polymerase is
A. TFIID
B. TFIIF
C. TFIIB
D. TFIIE
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Why might you find two kanamycin resistance genes on different parts of a T-DNA plasmid?
A. One of the genes could be used for positive selection, and one could be used for negative selection
B. One of the genes could be used for selection in plants, and one could be used for selection in bacteria
C. This arrangement facilitates site-specific recombination for marker-free selection
D. Each gene might have been introduced by a independent co-transformation event
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Lac Z codes for
A. Permease
B. Acetylase
C. β galactosidase
D. Polymerase
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Biochemical marker is
A. AFLP
B. RFLP
C. Isozymes
D. Pigmentation
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In anaerobic respiration in plants,
A. Oxygen is taken in
B. Oxygen is given out
C. Carbon dioxide is given out
D. Carbon-dioxide is taken in
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Water potential of pure water is
A. Positive
B. Negative
C. Zero
D. Can not predict
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The photoreceptor phytochrome is present in
A. Lichens
B. Algae
C. Gymnosperms
D. Angiosperms
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A set of disease resistance mechanisms that are not specific to a particular pathogen comes under
A. Active immunity
B. Innate immunity
C. Passive immunity
D. None of these
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Reductive amination of α-keto glutarate to glutamate is catalysed by
A. Gutamine transferase
B. Glutamine dehydrogenase
C. Glutamate dehydrogenase
D. Glutamate transferase
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Starch is synthesized in
A. Cytosol
B. Peroxisome
C. Chloroplast
D. Mitochondria
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Operon model was proposed by
A. Jacob and Monod
B. Beadle
C. Beadle and Tatum
D. None of the above
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Antioxidants used during protoplast isolation is
A. PVP-10
B. Glycine
C. Glutathione
D. All
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The transcription factor which recognizes TATA box in humans is
A. TFIID
B. TFIIF
C. TFIIB
D. TFIIE
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RNA editing mostly occurs in
A. r RNA
B. m RNA
C. t RNA
D. None of the above
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Which factor is necessary for maintaining lysogeny in lemda phage?
A. Cro
B. C1 repressor
C. Both A and B
D. None of these
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The enzymes which does not obey Km rule
A. Alloenzymes
B. Allostoric enzymes
C. Both A and B
D. Steric enzymes
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Replication of DNA is
A. Conservative
B. Non-conservative
C. Either A or B
D. Semi-conservative
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The genes which control the variation for different host is
A. Ipt gene
B. Vir F
C. Vir B
D. All of the above
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