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WorksheetsNucleic acid L3
Total questions: 10
Worksheet time: 13mins
DNA denaturation can not be done by
Heat
Sound wave
change in H+ ion concentration in solution
Chaotropic agents
Which enzyme can denature DNA intracelluarly?
Helicase
Denaturase
Nucleotidase
All of the above
What is hyperchromic shift?
You have two DNA samples with sequence repeats of the following
Sample 1: ATGTTAGCCAAT
Sample 2: ATGGGCCTAGCG
Which of the two samples has higher melting temperature. Explain why.
DNA helix in eukaryotic cell is wound around histone octamer. This is an example of_________
Toroid supercoilng
Plectonemic supercoiling
Positive supercoiling
None of the above
Which of these is/are a topological property of DNA
Linking number
Writhe
Twist
All of the above
Linking number in the this DNA double strand picture is ____________
6
12
18
Can't be determined
DNA topoisomearse was discovered by
Joshua Lederberg
Fred Griffith
J.C. Wang
Oswald Avery
Make a DNA sequence which is pallindromic in nature.
G-quardruplex structure is observed in
Centromeric region of chromosome
Telomeric region of chromosome
Pericentromeric region of chromosome
Nucleolus region
