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Molecular Basis of Inheritance
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Molecular Basis of Inheritance
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Molecular Basis of Inheritance
Telomeres are present at which position along chromosome?
middle
ends
near the middle
randomly placed
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Molecular Basis of Inheritance
Which of following is basic unit of DNA packaging?
chromatin
alpha helix
nucleus
nucleosome
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Molecular Basis of Inheritance
Xeroderma pigmentosum is caused by a defect in which of following enzymes?
helicase
topoisomerase
protease
nucleotide excision repair enzyme
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Molecular Basis of Inheritance
Which of following molecules make backbone of DNA molecule?
sugar-phosphate
sugar-base
base-phosphate
base-sugar-phosphate
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Molecular Basis of Inheritance
How many different DNA polymerases have been found in eukaryotes?
1
2
45
11
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Molecular Basis of Inheritance
What is diameter of DNA double helix in a eukaryotic cell?
1 nm
3 nm
5 nm
2 nm
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Molecular Basis of Inheritance
How many DNA repair enzymes have been found so far in humans?
2
100
150
900
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Molecular Basis of Inheritance
In which of following directions, two backbones of DNA molecule runs?
parallel
anti parallel
intersecting
rounded
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Molecular Basis of Inheritance
Which of following proteins are responsible for first level packaging of DNA?
hemoglobin
chromatin
histones
helicase
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Molecular Basis of Inheritance
Virus that infects bacteria are called:
Bacteriovirus
bacteriophage
viral phage
nano viruses
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