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DNA Structure and Replication

DNA Structure and Replication
In sperm heads, DNA is particularly highly condensed and the histones are replaced with small basic protein called

All of these
protamines
purines
pyrimidines

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

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

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

Ori
an initiation codon
a promoter
Pro

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DNA Structure and Replication
DNA polymerases I also has

5'-3' exonuclease activity
both (a) and (b)
5'-3' endonuclease activity
3'-5'exonuclease activity

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DNA Structure and Replication
Reverse transcriptase produces

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

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DNA Structure and Replication
Which of the following is not a structural motif in DNA binding proteins?

TFIID
helix-turn-helix
bZIP
zinc finger

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