- What is the similarity between osmosis and facilitated diffusion?
- What are the similarities and differences between facilitated diffusion and active transport by protein pump?
- What are the similarities between diffusion and active transport?
- What is one of the major differences between facilitated diffusion and active transport?
- What is the primary difference between diffusion and facilitated diffusion quizlet?
- What is called diffusion with example?
- What is diffusion give two examples?
- What are the characteristics of diffusion?
- What factors affect diffusion?
- How does diffusion work in the kidneys?
- How does diffusion work in the digestive system?
- Do kidneys use active transport?
What is the similarity between osmosis and facilitated diffusion?
-They both account for movement of molecules from a region of high concentration to a region of low concentration. -As for osmosis;the movement of molecules are via a selectively permeable membrane. NB:only water molecules. -Diffusion is the movement of all kinds of molecules.
What are the similarities and differences between facilitated diffusion and active transport by protein pump?
In facilitated diffusion, ions, sugars, and salts are transported across the membrane. In active transport, ions, sugars, and salts are also transported. The second similarity is that both facilitated diffusion and active transport use proteins as their means of transporting their materials to and from the cell.
What are the similarities between diffusion and active transport?
They both involve moving material across or through the plasma membrane. Similarities: Both involve ion movement. Both use ion channels to move ions across the cell membrane, in or out of the cell.
What is one of the major differences between facilitated diffusion and active transport?
Explanation: Being passive, facilitated transport does not directly require energy; rather, molecules and ions move down their concentration gradient, reflecting its diffusive nature. In active transport, particles move against the concentration gradient, and therefore require an input of energy from the cell.
What is the primary difference between diffusion and facilitated diffusion quizlet?
Compare simple diffusion with facilitated diffusion as mechanisms to transport solutes across membranes. the only difference is that simple diffusion will only travel through the phospholipid bilayer and and facilitated diffusion will go only through a non protein channel.
What is called diffusion with example?
Diffusion, process resulting from random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration. A familiar example is the perfume of a flower that quickly permeates the still air of a room.
What is diffusion give two examples?
Perfume is sprayed in one part of a room, yet soon it diffuses so that you can smell it everywhere. A drop of food coloring diffuses throughout the water in a glass so that, eventually, the entire glass will be colored. Water diffuses into cooking noodles, making them bigger and softer. …
What are the characteristics of diffusion?
Diffusion is the natural tendency of a substance to uniformly spread in another by random movement of its molecules or charged particles from an area of greater concentration to an area of lower concentration due to their kinetic energy. It is dependent on the concentration gradient.
What factors affect diffusion?
Factors That Affect The Rate of Diffusion
- Membrane thickness – the thinner the membrane, the faster the rate of diffusion.
- Membrane surface area – the larger the surface area, the faster the rate of diffusion.
- Pressure difference across the membrane.
- Diffusion coefficient of the gas.
How does diffusion work in the kidneys?
Kidneys. The kidneys remove waste products and help regulate the concentrations of ions and other small molecules. Diffusion allows these molecules to reenter the bloodstream. The remaining waste molecules within the tubule is converted into urea.
How does diffusion work in the digestive system?
Water and lipids are absorbed by passive diffusion throughout the small intestine. Sodium bicarbonate is absorbed by active transport and glucose and amino acid co-transport. Fructose is absorbed by facilitated diffusion.
Do kidneys use active transport?
After the amino acids are concentrated in the tubule cells they must be transported back into blood. What type of transport is used to move the amino acids from the filtrate to the inside of the kidney cells?…For help to answer the question:
A. | passive diffusion |
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B. | protein channels |
C. | active transport |