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DNA Structure and Replication

DNA Structure and Replication
Which is the largest among the followings?

Nucleotide
Nitrogenous base
Phosphate
Carbon

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

an initiation codon
Pro
Ori
a promoter

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

resorption
absorption
density
adhesion

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA helicases
ligase
single stranded binding proteins
DNA topoisomerase

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Semi-conservative theory
Conservative theory
Evolutionary theory
Dispersive theory

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

synthesis in the 5'-3' direction
incorporation of deoxynucleotides
utilization the same enzyme
None of these

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