The Unique Feature of HeLa Cells That Make Them Important

question 13

Multiple Choice

The unique feature of HeLa cells that make them important for research is that

• A) they are identical to all other human cells.
• B) they are immortal cells and will grow in culture.
• C) they are limited in growth cycles.
• D) they are like stem cells.
• E) all of these make them important.

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Definitions:

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in the regulation of mood, appetite, and sleep.

Glucose

The form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.

Amygdala

A section of the brain involved in experiencing emotions, particularly fear and pleasure.

Memory Trace

A concept in psychology and neurology referring to the physical and biochemical changes in the brain associated with storing information, essentially the footprint that a memory leaves on the brain.