When a Neuron Is Polarized, ________

question 317

Multiple Choice

When a neuron is polarized, ________.

• A) it cannot fire
• B) the electrical charge inside is positive relative to the outside
• C) sodium ions pass freely through the cell membrane
• D) the electrical charge inside is negative relative to the outside

Comprehend the specialization of cells in multicellular organisms.

Differentiate between oncogenes and tumor-suppressor genes.

Understand the role of environment and lifestyle in cancer risk.

Recognize the importance and mechanisms of apoptosis in cellular functions.

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Definitions:

Immune System

The body's defense mechanism against pathogens, comprising various organs, tissues, and cells.

Grass Pollen

Microscopic grains released by grasses for the purpose of fertilization, often a common allergen for many people.

Allergen

A substance that can cause an allergic reaction in individuals who are sensitive to it, ranging from mild to severe responses.

Transducing Chemicals

Substances that convert external signals into internal messages within the body, often involved in sensory processes.