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DNA Structure and Replication

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

density
resorption
absorption
adhesion

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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
None of these
utilization the same enzyme

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Lagging strand, ligase
Leading strand, polymerase
mRNA, anticodons

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DNA Structure and Replication
Reverse transcriptase produces

RNA from RNA
DNA from peptides
DNA from RNA
RNA from DNA

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DNA Structure and Replication
What is the main damaging effect of UV radiation on DNA?

Dehydration
Depurination
Single strand break
Formation of thymine dimers

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

6500 kilobase
5500 kilobase
4500 kilobase
3000 kilobase

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