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DNA Structure and Replication

DNA Structure and Replication
The 5' and 3' numbers are related to the

the number of phosphates
length of the DNA strand
carbon number in sugar
the base pair rule

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

Nucleotide
Nitrogenous base
Phosphate
Carbon

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
DNAb, DNA polymerase
Single stranded protein, DNAa
DNAb, gyrase

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DNA Structure and Replication
Which of these drugs bind to DNA and cuts it, producing hydroxyl radicals?

Erythromycin
All of these
Bleomycin
Tunicamycin

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

comparison with a molecular weight standard such as Hind III digested phage lambda
the time it takes the gel to run
the sedimentation coefficient
fluorescence in UV light

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

1
μl
nl
ml

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