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DNA Structure and Replication

DNA Structure and Replication
In an agarose gel, DNA is moving from

anode to cathode
cathode to anode
A to B
left to right

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DNA Structure and Replication
In DNA, guanine pairs with

Cytosine
Thymine
Uracil
Adenine

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

none of these
Thousands and tens of thousands
About 100
One

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

90 °C
60°C
70 °C
100 °C

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DNA Structure and Replication
The packing ratio of nucleosomes is about

8
6
7
9

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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
Nothing would happen
Chromosomes would get longer
None of these

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