What Is an Invention

question 61

Multiple Choice

What is an invention?

• A) the transformation of an idea into a new product or process
• B) a unique idea that has not been thought of before
• C) the transformation of an idea into a successful product
• D) a unique idea that has been patented

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Definitions:

Synaptic Cleft

The gap between two neurons at a synapse, through which neurotransmitters are released and travel to bind with receptors on the postsynaptic neuron.

Voltage-activated Calcium Ion Channels

Ion channels in cell membranes that open in response to changes in electrical potential, allowing calcium ions to enter the cell.

Presynaptic Membrane

Axon terminal membrane on the transmitter, or output, side of a synapse.

Neurotransmission

The process by which neurotransmitters are released by a neuron, cross the synaptic gap, and bind to receptors on another neuron, resulting in the transmission of a nerve impulse.