Tetrodotoxin is a poison found in pufferfish and some other, Ask an Expert

Academics

Tetrodotoxin is a poison found in pufferfish and some other animals. most cases of human tetrodotoxin poisoning occur when a person eats cooked or uncooked pufferfish. the most strongly toxix parts are the liver and ovaries; muscle and testes are weakly toxic. the lethal dose (LD50) for humans is less than 10 ug/kg (1-2mg total for most people). there is no known antidote, and death can occur from respiratory failure if the diaphragm is unable to contract

tetrodotoxin acts by blocking sodium channels. how does it lead to a loss of excitatory conduction in neurons?

-membrane potential approaches +20 mV
-the membrane cannot depolarize
-it blocks Na+ ions from flowing out of the cell
-membrane repolarization is slowed
-the membrane cannot repolarize

View complete question

Biology, Academics

Category:- Biology
Reference No.:- M9367576

Have any Question?Write your Review or question?

Related Questions in Biology

You take a small section of leaf and view it underneath a

You take a small section of leaf and view it underneath a microscope. You count 25 stomata. Now you want to calculate how many stomata would be in a leaf the size of a penny. a) Calculate the area of the view of view (A= ...

How does enzymes lower activation energy when they catalyze

How does enzymes lower activation energy when they catalyze reactions?

The united states established the first national park in

The United States established the first National Park in the world on March 1, 1872. What does this say about the people of the United States?

Use of molecular tools and bioinforrnatics in the diagnosis

Use of Molecular Tools and Bioinforrnatics in the Diagnosis Characterization of Enteric Pathogens from a Case Study Purpose: The purpose of this project is to familiarize the student with modern molecular tools and bioin ...

How do specimens move when put under the dissecting

How do specimens move when put under the dissecting microscope?

Case study question -case study - mary 21 years old

Case Study Question - Case Study - Mary, 21 years old, presented to the hospital emergency department with an infected laceration on her left foot. Mary was at a beach resort four days ago, when she trod on a broken glas ...

Assignment on nutrition - q1 task you need to select 2

Assignment on Nutrition - Q1. Task: You need to select 2 different age groups of your choice. You will need to plan balanced meals with snacks for a day. Once you have laid out the meal plan you need to: Explain why the ...

A cross between a person with straight hair and a person

A cross between a person with straight hair and a person with curly hair will produce a child with wavy hair. If 2 people with wavy hair had a child, what are the odds that the child would have straight hair?

Question phytoplankton chemosynthesis and mitochondriafor

Question: "Phytoplankton, Chemosynthesis, and Mitochondria" For your primary post, please respond to one of the following three topics with a post of at least 125 words that addresses each point given in the instructions ...

Why soap changes the surface tension of waterand why adding

Why soap changes the surface tension of water? And why adding water into penny, the average of water drops in 90oC temperature water is less than average of water drops in room temperature

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Biology Expert