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This is an MCQ-based quiz on the topic of the Structure of DNA.
This includes Full-Form of DNA, DNA Diagram, DNA Structure, Chargaff’s Rules, DNA Replication, DNA Function, Why DNA is called a Polynucleotide Molecule? and many more.
DNA fingerprinting recognizes the differences in
The process of DNA replication is affected by an enzyme known as
The process of DNA replication is affected by an enzyme known as _________.
In DNA, the enzyme which breaks the H2 bonds is _________.
The type of coiling in DNA is _________.
The total DNA comprises what amount of cytoplasmic DNA in cells?
What is the length of the DNA double helix, if the total number of bp (base pair) is 6.6 x 109?
The DNA of the E. coli is scattered throughout the cell.
What are the set of positively charged basic proteins called as?
What are the thread-like stained structures present in the nucleus known as?
How many bp are present in a typical nucleosome?
______ force can stabilize a DNA double-helix .
Hydrophilic sugar-phosphate groups are found on the exterior of the helix where interaction with water occurs
Hydrophobic bases are present in the interior of the helix, each base-pair is stabilized by the same number of hydrogen bonds
Covalent base stacking interactions may take place between neighbouring bases within the same strand in the helix
Non-covalent N-glycosidic bonds may form between nitrogenous bases in opposite strands in the helix
A DNA molecule in which both strands have radioactive thymidine is permitted to replicate in an environment that contains non-radioactive thymidine. What is the right number of DNA molecules which possess some radioactive thymidine post three duplications?
One such molecule
Two such molecules
Four such molecules
Eight such molecules
In this type of DNA replication, of the two newly formed molecules, one is purely a new one and the other is an old one
Dispersive
Conservative
Semiconservative
Both (b) and (c)
This cell organelle does not contain DNA
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