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DNA Structure and Replication

DNA Structure and Replication
First evident that DNA is genetic material comes from the experiment of Griffith is

replication
transduction
translation
transformation

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

Nitrogenous base
Nucleotide
Carbon
Phosphate

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

pyrimidines
protamines
purines
All of these

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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
60 to 80°C
70 to 90°C
80 to l00°C

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

5500 kilobase
4500 kilobase
6500 kilobase
3000 kilobase

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Nothing would happen
Chromosomes would get longer
None of these
Chromosomes would become progressively shorter

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