Describe Diffusion Using the Words Concentration and Concentration Gradient

As you complete the lab answer the questions below when completed save with your name and then attach to the Lab 6 drop box. Consider the size and shape of a molecule in your response.

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Diffusion is the process by which molecules spread from a regionof higher concentration to a region of lower concentration.

. Diffusion is the net movement of anything for example atoms ions molecules energy generally from a region of higher concentration to a region of lower concentration. Define isotonic hypertonic and hypotonic solutions and give examples how these 3 types of tonicity effect red blood cells and plant cells using proper terminology example. You must include the words high concentration lower concentration equilibrium.

The concentration gradient therefore represents the concept that just as a ball rolls down a slope during diffusion molecules move down the concentration gradient. The net movement of a chemical from high concentration area to low concentration area is known as diffusion. Diffusion helps in the movement of substances in and out of the cells.

The video said that substances shift passively from a high concentration. Hypotheses - Bigger molecules will diffuse more slowly across a membrane until it becomes too big to cross the membrane at all while a molecules shape may be important in facilitated diffusion. The rate of diffusion is determined by a variety of factors including the concentration gradient of the gases and the partial pressure of the gases.

In passive transport particles will diffuse down a concentration gradient from areas of higher concentration to areas of lower concentration until they are evenly spaced. A concentration gradient affects the direction that solutes diffuse. The molecules move from a region of higher concentration to a region of lower concentration until the concentration becomes equal throughout.

The role of carrier proteins and protein channels in facilitated diffusion. Theyare said to be in equilibrium if the molecules are evenlydistributed. Diffusion of solutions typically moves from areas of high concentration to areas of low concentration.

The term w mosaic has been used in describing the cytoplas mic membrane. The direction of diffusion is said to be down or with the concentration gradient. The material diffusing from B reduces B by 2 and increases A by 2.

Diffusion is the process of movement of molecules under a concentration gradient. Describe how a molecules move with respect to the concentration. So overall the concentration at A reduces by 3 and at B increases 3.

Molecules diffuse from areas of high concentration to areas of low concentration down a concentration gradient. Surface area difference in concentration and the thickness of the exchange surface affect the rate of diffusion. Diffusion down a concentration gradient explanation.

A concentration gradient affects the direction that solutes diffusion. To determine concentration of overall solute in potato cells wait until the potato. Questions for Review 93 4.

Describe or draw an example of diffusion down a concentration gradient 2. Red blood cells undergo hemolysis when placed in a hypotonic. Chapter 3 Short Answer 1.

Higher concentration gradients will result in higher rates of diffusion. In addition h igher concentration gradient will increase rate of diffusion including osmosis. The opposite of passive would be 3.

Diffusion is the passive movement of substances down a concentration gradient. Diffusion stops when the concentration of the substance is equal in both areas. Describe passive transport using the words concentration and concentration gradient.

Daltons law can be used to determine the. Sketch name and describe three flagellar arrangements in bacteria. Up to 24 cash back Now describe concentration gradient in your own words.

Why is there a movement of solutes from a region of low solute concentration to a region of high solute concentration even though the net direction of solute movement would be from a region of high solute concentration to a region of low solute concentration. How does temperature affect the rate of diffusion. Simple diffusion can be better understood with the following example.

A concentration gradient occurs when the concentration of particles is higher in one area than another. Diffusion is driven by a gradient in Gibbs free energy or chemical potentialIt is possible to diffuse uphill from a region of lower concentration to a region of higher concentration like in spinodal decomposition. In your own words describe what a concentration gradient is.

Describe how molecules move with respect to concentration. How does each word of that phrase accurately describe our current. Therefore chemicals diffuse across the membrane only when a concentration gradient exists across the cell membrane.

Diffusion is a passive transport process driven by the concentration gradient at the G L interface. Describe or draw an example of diffusion down a concentration gradient. One more necessity is a concentration gradient or concentration difference which is the difference of concentration between two regions.

It does not require energy from the cell. Define simple diffusion using the words concentration gradient. This is the currently selected item.

How does the size of a solute affect the rate of diffusion. It is an important process occurring in all living beings. - A neuron allows potassium ions to leave the cell down their concentration gradient using a membrane channel.

Molecular movement continues between both areas until there is a concentration gradient that is established. Which statements describe examples of facilitated diffusion-A kidney cells absorbs water molecules down their concentration gradient using membrane protein. This allows calcium ions to enter the nerve terminal along their concentration gradient.

The material diffusing from A reduces the concentration at A by 5 one tenth of 50 and increases the contentration at B by 5. What does passively mean. A concentration gradient affects the direction that solutes diffusion.

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