If Two DNA Samples Are Exactly the Same, What Would

question 41

Multiple Choice

If two DNA samples are exactly the same, what would you expect to happen if you exposed both to the same mixture of primers and then carried out the polymerase chain reaction (PCR) ?

• A)No PCR will occur.
• B)The PCR products should be exactly the same.
• C)There should be differences in the nature of the PCR products.
• D)All PCR products in one of the samples will be destroyed.
• E)All PCR products in one of the samples will be methylated.

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Definitions:

Refractory Period

The time right after a stimulus when a nerve or muscle cannot respond to additional stimulation.

Positive Charge

An electrical charge possessed by protons, which is opposite in sign to the charge carried by electrons.

Action Potential

A brief electrical impulse by which information is transmitted along the axon of a neuron.

Refractory Period

A time directly following stimulation in which a nerve or muscle is incapable of responding to more stimulation.