You Briefly Expose Bacteria Undergoing DNA Replication to Radioactively Labeled

question 50

Multiple Choice

You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides. When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes. One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long) , and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length) . These two classes of DNA probably represent

• A) leading strands and Okazaki fragments.
• B) lagging strands and Okazaki fragments.
• C) Okazaki fragments and RNA primers.
• D) leading strands and RNA primers.
• E) RNA primers and mitochondrial DNA.

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Definitions:

Intervening Cause

An event that occurs after the defendant's act and contributes to a harm, potentially relieving the defendant of liability.

Superseding Cause

An unforeseeable event that interrupts the chain of causation and becomes the primary cause of an incident, relieving the defendant of liability.

Bystanders

Individuals who are present at an event or incident but do not take part in it.

Peril

A specific risk or cause of loss covered by an insurance policy, such as fire, theft, or flood.