Watson and Crick Discovered

question 54

Multiple Choice

Watson and Crick discovered:

• A)the structure of DNA.
• B)that DNA is the genetic material.
• C)X-ray crystallography.
• D)that genetic information resides on chromosomes.

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Definitions:

Neurotransmitter

Chemical substances that transmit signals across a synapse from one neuron to another.

Serotonin

A neurotransmitter that plays a critical role in regulating mood, appetite, sleep, and cognitive functions.

Dopamine

A neurotransmitter associated with the brain's reward system, movement, and motivation, playing a crucial role in feelings of pleasure and satisfaction.

Epinephrine

A chemical substance in the body, also referred to as adrenaline, that acts as both a hormone and neurotransmitter, playing a crucial role in the fight-or-flight mechanism.