The Shape of the Milky Way Is Similar to A(n)

question 81

Multiple Choice

The shape of the Milky Way is similar to a(n)

• A) sphere.
• B) spiral- shaped disk.
• C) oblate spheroid.
• D) circle.
• E) pancake.

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Definitions:

Agonist

A substance that triggers a physiological response when combined with a receptor.

Antagonist

A substance that interferes with or inhibits the physiological action of another, often referring to a drug or muscle that opposes or competes with another.

Glutamate

A major excitatory neurotransmitter in the brain, involved in memory, learning, and the regulation of the nervous system.

Neurotransmitter

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, which, by diffusing across the synapse or junction, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.