If Two Variables Tend to Increase and Decrease Together, They

question 19

Multiple Choice

If two variables tend to increase and decrease together, they are

• A) positively correlated.
• B) negatively correlated.
• C) uncorrelated.
• D) quasi-correlated.

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Definitions:

Retrograde Signals

Molecular signals that travel from the postsynaptic neuron back to the presynaptic neuron, modulating neurotransmission.

Patch Clamp Technique

A method that allows researchers to study the ion channels of a tiny patch of membrane by tightly sealing a micropipette to the patch and measuring the flow of ions through the channels.

Ion Channel

Protein structures embedded in cell membranes that allow ions to pass in and out of the cell, crucial for various physiological processes.

Impulse Conduction

The process by which electrical signals are transmitted along a neuron, from the dendrites, through the axon, to the synapse.