Although There Are No Sarcomeres, Smooth Muscle Still Possesses Thick

question 21

True/False

Although there are no sarcomeres, smooth muscle still possesses thick and thin filaments.

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Definitions:

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, helping to regulate neuronal excitability.

Voltage-gated Ion Channels

Channels that open or close in response to changes in membrane potential, allowing ions to pass through the membrane.

Presynaptic Terminal

The end part of an axon from which the release of neurotransmitters happens to signal the next neuron across a synaptic gap.

Synapse

The junction between two neurons where electrical or chemical signals are transmitted from one neuron to another.