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DNA Structure and Replication

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

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

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DNA Structure and Replication
The nucleosome consists of histone

tetramer and 146 bp of DNA
octamer and 146 bp of DNA
None of these
hexamer and 146 bp of DNA

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DNA Structure and Replication
E.coli DNA polymerases II and III lack

partially 5' → 3' endonuclease activity
5' → 3' exonuclease activity
partially 5' → 3' exonuclease activity
5' → 3' endonuclease activity

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Arabidopsis thaliana
Strongylocentrotus purpuratus
Saccharomyces cerevisiae
Xenopus laevis

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DNA Structure and Replication
Messelsen and Stahl model of replication was called

dispersive replication
Cri du Chat
semi-conservative replication
conservative replication

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DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

H
S
None of these
B

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