Although DNA Is Made Up of Only Four Different Bases,it

question 47

Multiple Choice

Although DNA is made up of only four different bases,it can encode the information necessary to specify the workings of an entire organism.It can do this because DNA

• A) molecules are extremely long.
• B) molecules are found in the nucleus.
• C) is transcribed into RNA and then into proteins with specific functions.
• D) is eventually translated into proteins,which are made up of 20 different amino acids.
• E) uses the sugar deoxyribose.

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Definitions:

Dopamine

A neurotransmitter involved in many functions, including motivation, reward, and motor control.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, playing important roles in mood regulation, digestion, and sleep.

Norepinephrine

Norepinephrine is a neurotransmitter involved in the body's response to stress and the regulation of mood, attention, and arousal.

Cortisol

A steroid hormone produced by the adrenal glands, involved in the body's stress response as well as metabolism and immune function.