A Solar Mass Star Will Evolve Off the Main Sequence

question 35

Multiple Choice

A solar mass star will evolve off the main sequence when:

• A)it completely runs out of hydrogen.
• B)it expels a planetary nebula to cool off and release radiation.
• C)it explodes as a violent nova.
• D)it builds up a core of inert helium.
• E)it loses all its neutrinos, so fusion must cease.

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Definitions:

Myelin Sheets

Protective coverings around nerve fibers in the brain, spinal cord, and peripheral nerves, made of myelin, which help in the rapid transmission of electrical signals.

Sensory Information

Data that is perceived by the senses (sight, hearing, smell, taste, touch) and transmitted to the brain for processing.

Axon Hillock

The cone-shaped area of a neuron where the axon originates and where action potentials are initiated.

Telodendria

Fine, thread-like extensions of axons and dendrites at the terminus of neurons, thought to play a role in the transmission of electrical signals to adjacent neurons.