Tetrodotoxin Is a Heat-Stable Molecule Produced by Puffer Fish That

question 17

Multiple Choice

Tetrodotoxin is a heat-stable molecule produced by puffer fish that blocks the entry of sodium ions into neurons. About 10-45 minutes after ingestion of tetrodotoxin, tingling of the tongue and inner surface of the mouth begins. An ascending paralysis develops, and death can occur within 6-24 hours, after respiratory muscle paralysis.
-What does the puffer fish neurotoxin tetrodotoxin directly inhibit?

• A) proteins involved in active transport
• B) channel proteins involved in osmosis
• C) proteins involved in ATP synthesis
• D) channel proteins involved in diffusion
• E) relaxation of muscles

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Definitions:

Rite of Passage

A ceremonial event or practice marking an important stage in an individual's life, especially significant transitions such as puberty, marriage, or death.

Social Death

The condition of people not accepted as fully human by wider society, a concept applied to extreme social exclusion.

Rebirth

The process of being reborn or undergoing a complete renewal or revival.

Marriage Rituals

The ceremonies and practices that mark the formal union of two individuals as partners in a personal relationship, varying widely among cultures.