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DNA Structure and Replication

DNA Structure and Replication
DNA replication in eukaryotes occurs only in

M phase
G1 phase
S phase
G2 phase

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DNA Structure and Replication
If one cell has AT contents 40%, what will be the percentage of Guanine residue?

15%
60%
Guanine residue can not be calculated
30%

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DNA Structure and Replication
Which of the following would not contain DNA?

Glass crystals
Yeast
Mold
Bacteria

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

RNA ligase
gyrase
polymerase
DNA ligase

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Okazaki fragments
Primers
Leading strands
Lagging strand

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

50 to 60°C
80 to l00°C
70 to 90°C
60 to 80°C

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