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What happens when molecules diffuse?

Diffusion is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration. it is the random motion of the molecules that causes them to move from an area of high concentration to an area with a lower concentration.

What happens when molecules diffuse across the cell membrane Brainly?

The molecules move from areas of low concentration to high concentration. The molecules move from areas of high concentration to low concentration.

How do molecules diffuse across the cell membrane?

The simplest mechanism by which molecules can cross the plasma membrane is passive diffusion. During passive diffusion, a molecule simply dissolves in the phospholipid bilayer, diffuses across it, and then dissolves in the aqueous solution at the other side of the membrane.

What does it mean when molecules diffuse?

Diffusion refers to the process of particles moving from an area of high concentration to one of low concentration.

How can diffusion be controlled?

Heterogeneous reactions where reactants are in different phases are also candidates for diffusion control. One classical test for diffusion control is to observe whether the rate of reaction is affected by stirring or agitation; if so then the reaction is almost certainly diffusion controlled under those conditions.

Why diffusion is a physical change?

Explanation: Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. The particles of smelly gas are free to move quickly in all directions.

What does it mean when we say an enzymatic reaction is diffusion limited?

A diffusion-limited enzyme catalyses a reaction so efficiently that the rate limiting step is that of substrate diffusion into the active site, or product diffusion out. Diffusion limited perfect enzymes are very rare. Most enzymes catalyse their reactions to a rate that is 1,times slower than this limit.

Which is true of a perfect enzyme?

There’s no such thing as a perfect enzyme. It’s true that there are enzymes whose rate is so fast that it is only limited by the rate of diffusion of substrates into the active site. One of these enzymes, superoxide dismutase, actually catalyzes reactions FASTER than the diffusion-controlled rate.

How do you remove a noncompetitive inhibitor?

Noncompetitive inhibition, in contrast with competitive inhibition, cannot be overcome by increasing the substrate concentration. A more complex pattern, called mixed inhibition, is produced when a single inhibitor both hinders the binding of substrate and decreases the turnover number of the enzyme.