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Explain the mechanism of DNA repication ...

Explain the mechanism of DNA repication with the help of a replication fork. What role does the enzyme DNA-ligase play in a DNA replication fork ?
OR
Construct and label a transcription unit from which the RNA segment given below has been transcribed. Write the complete name of the enzyme that transcribed this RNA.

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Discuss the role, the enzyme DNA ligase plays during DNA replication.

Draw a labelled schematic sketch of replication fork of DNA. Explain the role of the enzymes involved in DNA replication

Draw a labelled schematic sketch of replication fork of DNA. Explain the role of the enzymes involved in DNA replication.

a) Explain the process of DNA replication with the help of a schematic diagram. b) In which phase of the cell cycle does replication occur in Eukaryotes? What would happen if cell-division is not followed after DNA replication?

Why do you see two different types of replicating strands in the given DNA replication fork? Explain . Name these starands.

During DNA replication, why is it that the entire molecule does not open in one go? Explain replication fork. What are the two functions that the monomers (dNTPs) play ?

(a) Name the stage in the cell cycle where DNA replication occurs. (b) Explain the mechanism of DNA replication. Highlight the role of enzymes in the process. (c) Why is DNA replication said to be semiconservative ?

A region of DNA template strand has the sequence 3'-ATT CGC-5'.What is the sequence of RNA transcribed from this DNA ?

XII BOARDS PREVIOUS YEAR-XII BOARDS-SECTION-C
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