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In chemical biology, tonicity is a measure of the effective osmotic pressure gradient; the water potential of two solutions separated by a partially-permeable cell membrane. Tonicity depends on the relative concentration of selective membrane-impermeable solutes across a cell membrane which determine the direction and extent of osmotic flux .
Halliday saw the functions of intonation as depending on choices in three main variables: Tonality (division of speech into intonation units), Tonicity (the placement of the tonic syllable or nucleus) and Tone (choice of nuclear tone); [12] these terms (sometimes referred to as "the three T's") have been used more recently. [10]
Turgor pressure is the force within the cell that pushes the plasma membrane against the cell wall. [1]It is also called hydrostatic pressure, and is defined as the pressure in a fluid measured at a certain point within itself when at equilibrium. [2]
Virtually every cell in the body requires iron in order to function well. Iron is involved in key bodily processes, including the transportation of oxygen in the blood. It also plays a central ...
A warning has been issued to travelers over the spread of three diseases, including the Marburg virus. It’s a close cousin of Ebola that’s been dubbed the “bleeding eye” virus due to one ...
Cole Anthony scored 24 points, Wendell Carter Jr. had a season-high 19 off the bench and the Orlando Magic shut down a New York Knicks team missing Karl-Anthony Towns for a 103-94 victory on ...
I thought tonicity referred to the solution with reference to the cell. i.e. 7% sodium chloride solution would be a hypertonic solution with respect to almost all living cells. 81.179.75.219 07:50, 3 July 2006 (UTC) Tonicity is a unitless comparison of the solute concentration of one solution to another.
Donald Trump’s pick for defense secretary, Pete Hegseth, said gay people should be able to serve in the US military in an apparent shift from his previous stance on the issue.