Saturday, August 14, 2010

Sodium Pump Needs More Energy?

From the book by Gilbert N. Ling one reads:

``the minimum energy needed by the Na pump at the plasma membrane alone was from 1542% to 3050% of the maximum available energy''


Something is rotten in in the state of Denmark


Horatio:
He waxes desperate with imagination.
Marcellus:
Let's follow. 'Tis not fit thus to obey him.
Horatio:
Have after. To what issue will this come?
Marcellus:
Something is rotten in the state of Denmark.
Horatio:
Heaven will direct it.
Marcellus:
Nay, let's follow him. [Exeunt.]

From Hamlet.

Dr. Ling published this experiments in 1962.

Something is very strange here.

Ling goes on to point out:

``-cell membranes with finite dimensions cannot accommodate an endless number of pumps''

This is starting to sound like the countless epicycles before Copernicus.

``there is no alternative but to conclude that the membrane-pump theory has been disproven on energy grounds alone''

At least Dr. Ling sounds convinced.

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