leighashlyn leighashlyn

03-12-2014
Biology

contestada

Can all molecules diffuse through all cell membranes

Respuesta :

deedaralibaloch deedaralibaloch

03-12-2014

no cell membranes are porous, but only to certain sized molecules. suppose a molecule of water diffuse through a cell membrane.the cell membrane will allow 7 atoms in at one entry point (this is just an example)

Answer Link

Otras preguntas

What is the Northwest Passage?

Word form of 823,774

The leg of a right triangle is 5 units and the hypotenuse is 8 units. What is the length, in units, of the other leg of the triangle?

A recipe uses 1 1/2 teaspoons of baking powder to make 8 blueberry muffins. How much baking powder is needed to make 36 muffins ?

Please help, I really need it.

the main purpose of the sherman antitrust act is to reduce activities that

as the rate of cooling increases the size of the crystals that formA. decrease B. Increase

How many 3-character passwords can be made (using letters and digits) if each password must contain at least 2 digits (digits can be repeated)?

How quickly or slowly the action of a story is narrated is called?

the result of two factors who am I