Question

The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?

A. super-coiling in nucleosomes  
B. DNase digestion
C. through elimination of repititive DNA
D. deletion of non-essential genes
Answer :   super-coiling in nucleosomes

Releted MCQ Question on
Botany >> Molecular Basis of Inheritance

Releted Question 1

If the distance between two consecutive base pairs is $$0.34\,nm$$   and the total number of base pairs of a DNA double helix in a typical mammalian cell is $$6.6 \times {10^9}\,bp,$$   then the length of the DNA is approximately

A. 2.5 meters
B. 2.2 meters
C. 2.7 meters
D. 2.0 meters
View Answer
Releted Question 2

Which of the following statements is correct?

A. Adenine pairs with thymine through one $$H$$-bond
B. Adenine pairs with thymine through three $$H$$-bonds
C. Adenine does not pair with thymine
D. Adenine pairs with thymine through two $$H$$-bonds
View Answer
Releted Question 3

Which scientist experimentally proved that DNA is the sole genetic material in bacteriophage?

A. Jacob and Monod
B. Beadle and Tautum
C. Messelson and Stahl
D. Hershey and Chase
View Answer
Releted Question 4

The final proof for DNA as the genetic material came from the experiments of:

A. Hershey and Chase
B. Avery, Mcleod and McCarty
C. Hargobind Khorana
D. Griffith
View Answer

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Molecular Basis of Inheritance

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BotanyThe Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisonTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and DevelopmentReproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental IssuesBotany Miscellaneous
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