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DNA Structure and Replication

DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Replicase
Helicase
Polymerase
Synthesase

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

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

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

dispersive replication
semi-conservative replication
conservative replication
Cri du Chat

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication origins
Okazaki fragments
Replication forks

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

Single stranded protein, DNAa
DNAb, gyrase
DNAb, DNA polymerase
DNAa, gyrase

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DNA Structure and Replication
TM refers to the temperature at which

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

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