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DNA STRUCTURE AND REPLICATION

DNA Structure and Replication
TM refers to the temperature at which

membranes are 50% fluid
50% of a DNA molecule is denatured
All of these
50% of a protein molecules are denatured

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

introns
transposons
moving elements
retrovirus

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DNA Structure and Replication
What does ligase do during replication of DNA?

Makes copies of mRNA from DNA
Synthesizes the lagging strand
Joins nicks in DNA strands
Digests mRNA when it is no longer needed

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DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

ligase
DNA topoisomerase
single stranded binding proteins
DNA helicases

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

replication
translation
transformation
transduction

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