How to increase in sodium conductance, Biology

Assignment Help:

How to increase in sodium conductance

A complete motor neuron is removed from a frog and placed in normal physiological saline at 1 AM.  The neuron is healthy.  At 2 AM, the physiological saline bathing the neuron is removed and replaced with a modified physiological saline.  The composition of the modified physiological saline is as follows: its potassium concentration is the same as normal physiological saline; its sodium concentration is the same as the intracellular sodium concentration of the motor neuron; its total concentration of solutes (osmolarity) is the same as normal physiological saline.  The modified physiological saline also contains molecules that block the flux of ions via the sodium-potassium primary active transport pump.  At 2:05 AM, the resting membrane voltage of the neuron is -70 millivolts.  At 2:06 AM,

A. the value of the Nernst equilibrium potential for sodium ions for the neuron is greater than +10 millivolts.

B. an increase in sodium conductance will lead to an increase in the amount of intracellular sodium.

C. an increase in sodium conductance will lead to no change in the membrane voltage.

 


Related Discussions:- How to increase in sodium conductance

Explain arthritis, Explain Arthritis Arthritis - Oral therapy with doxy...

Explain Arthritis Arthritis - Oral therapy with doxycycline or amoxicillin for 28 days is usually effective for treatment of Lyme arthritis. Patients who have not responded to

Explain brachial or radial approach, Q. Explain Brachial or Radial Approach...

Q. Explain Brachial or Radial Approach ? This technique involves performing the coronary angiogram through the right brachial artery in the right ante-cubital fossa. Usually a

What is the significance of proteins for living beings, What is the signifi...

What is the significance of proteins for living beings? Proteins play a fundamental role in nearly all biological processes. Because of their diversity they can assume many dif

Explain hydrolyases, Hydrolyases These enzymes (code EC 3) catalyze th...

Hydrolyases These enzymes (code EC 3) catalyze the hydrolytic cleavage of C-O, C-N, C-C and some other bonds, including phosphoric anhydride bonds.  Their trivial names  are f

Oxygen affecting the growth of microorganism, oxygen affecting the growth o...

oxygen affecting the growth of microorganism? The presence of oxygen in the atmosphere is required for the survival of human beings. Contrary to this, you would realize that th

A brief history of heart surgery, A brief history of heart surgery : The d...

A brief history of heart surgery : The dawn of Paediatric cardiac surgery was on August 26, 1938 when Robert, Gross, at the boston Children's Hospital, ligated ductus arteriosus

Important aspects of nutritional needs during emergency, Define important a...

Define important aspects of nutritional needs during emergency situations? This unit discussed important aspects of nutritional needs during emergency situations and under envi

Explain regulatory enzymes, Explain Regulatory enzymes Regulatory enzy...

Explain Regulatory enzymes Regulatory enzymes:   Citrate  synthase,  isocitrate  dehydrogenase  and a-ketoglutarate dehydrogenase complex are the key  enzymes which  regulate

Decomposers - biotic components, Decomposers - Biotic Components Also ...

Decomposers - Biotic Components Also known as saprotrophs. Mostly, these are microscopic and are heterotrophic in nature. Decomposer organisms obtain their energy and nutrient

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd