A Spontaneous, Inheritable Change in an Organism's Genes Is Called

question 47

Multiple Choice

A spontaneous, inheritable change in an organism's genes is called a .

• A) mutation
• B) selection
• C) prokaryote
• D) genus

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Definitions:

Electrical Synapses

A type of synapse in which electrical currents flow directly from one cell to another via gap junctions, facilitating rapid communication.

Presynaptic Terminal

The end part of a nerve cell (neuron) that releases neurotransmitters to send a signal across the synapse to another neuron.

Acetylcholine

A neurotransmitter involved in many functions including muscle activation, heart rate, and the processing of memory and cognition.

Synaptic Cleft

The microscopic gap between neurons across which neurotransmitters are released, facilitating communication between cells.