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Which of the Following Statements Is Most CORRECT

question 20

Multiple Choice

Which of the following statements is most CORRECT?

Understand the disadvantages and impacts of fossil fuel use.
Recognize the causes and consequences of the depletion of the world's fisheries.
Understand the effects of deforestation on tropical rainforests and its global impacts.
Comprehend the main reasons for species extinction.

Definitions:

Ligand-Gated Sodium Channels

Ion channels in cell membranes that open or close in response to the binding of a chemical signal (ligand), specifically allowing sodium ions to pass through.

Membrane Receptor

A specialized protein molecule embedded in the cell membrane that can interact with specific molecules, starting a chain of cell responses.

Depolarization

The process in which a cell's membrane potential becomes less negative, moving towards zero, which is critical in the initiation of action potentials.

Threshold Stimulus

Stimulus resulting in a local potential just large enough to reach threshold and produce an action potential.

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