A Small Amount of DNA Was Located at a Crime

question 45

Multiple Choice

A small amount of DNA was located at a crime scene. Which one of the following techniques is most likely to be used to amplify the DNA so it can be identified more accurately?

• A) genetic engineering
• B) use of DNA ligase to recombine the pieces of DNA
• C) gene therapy
• D) DNA sequencing
• E) polymerase chain reaction

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Definitions:

Monoamine Oxidase Inhibitors (MAOIs)

A class of antidepressant drugs that work by inhibiting the activity of monoamine oxidase, thereby increasing the levels of certain neurotransmitters in the brain.

Neurotransmitter Reuptake

The process by which neurotransmitters are reabsorbed by the nerve cell that released them, helping to terminate the signal between neurons.

Positron-Emission Tomography (PET)

A diagnostic imaging test using a specialized dye containing radioactive tracers to visualize and measure various bodily functions.

Gamma Waves

High-frequency brain waves associated with perception, problem-solving, and consciousness.