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Substances that move into and out of cells by diffusion include oxygen, carbon dioxide, and small non-polar molecules like water and lipid-soluble molecules. Diffusion is a passive process where molecules move from an area of higher concentration to an area of lower concentration to reach equilibrium. This process does not require energy input from the cell and is essential for maintaining cellular homeostasis.

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What is the process by which substances enter and leave cells and become distributed within cells?

Substances enter and leave cells through processes such as diffusion, facilitated diffusion, active transport, and endocytosis/exocytosis. Once inside the cell, substances can become distributed within cells through diffusion, cytoplasmic streaming, vesicular transport, and interactions with organelles.


Why diffusion and osmosis limit the size of the cell?

Diffusion and osmosis are processes by which substances move into and out of cells. As cell size increases, the distance that substances must diffuse across also increases, making it harder for cells to efficiently exchange materials. Additionally, larger cells may struggle to maintain proper osmotic balance due to increased demand on their membrane and organelles.


How is active transport similar to facilitated diffusion in terms of their mechanisms of moving substances across the cell membrane?

Active transport and facilitated diffusion are both mechanisms used by cells to move substances across the cell membrane. Both processes require the use of specific proteins embedded in the cell membrane to facilitate the movement of substances. However, the key difference between the two is that active transport requires energy input from the cell to move substances against their concentration gradient, while facilitated diffusion does not require energy and moves substances down their concentration gradient.


Chemicals that move in and out of cells by diffusion?

The cell cotains phospholipids ,proteins , and carbohydrates. Carbohydrates can be attached to either the phospholipids or the proteins in the cell membrane. Sometimes carbohydrates (sugars) are attached to cell membrane phospholipids and to cell membrane proteins


How do facilitated diffusion and active transport compare and contrast in terms of their mechanisms of transport across the cell membrane?

Facilitated diffusion and active transport are both ways that substances move across the cell membrane, but they differ in their mechanisms. Facilitated diffusion uses protein channels to help substances passively move from areas of high concentration to low concentration, while active transport requires energy to move substances against their concentration gradient using protein pumps.

Related Questions

How do substances move into cells in spirogyra?

Substances in Spirogyra move into cells through a process called passive diffusion. Spirogyra cells have a cell wall made of cellulose that is freely permeable to water and dissolved substances. This allows nutrients and waste to move in and out of the cells easily.


How can substances move across capillaries?

Substances typically move across capillaries via diffusion.


How do substances like co2 and water move in and out of the cell?

By the process of diffusion and osmosis.


What is the process by which substances enter and leave cells and become distributed within cells?

Substances enter and leave cells through processes such as diffusion, facilitated diffusion, active transport, and endocytosis/exocytosis. Once inside the cell, substances can become distributed within cells through diffusion, cytoplasmic streaming, vesicular transport, and interactions with organelles.


What is diffusion and how do substances move during diffusion?

They move in a bunch mixed together to form or create a substance stronger or sometimes more lethal in a way that is an example of cultural diffusion or chemical diffusion


Why diffusion and osmosis limit the size of the cell?

Diffusion and osmosis are processes by which substances move into and out of cells. As cell size increases, the distance that substances must diffuse across also increases, making it harder for cells to efficiently exchange materials. Additionally, larger cells may struggle to maintain proper osmotic balance due to increased demand on their membrane and organelles.


Describe methods by which substances enter and leave cells that require cellular energy?

Diffusion is the methods that leave cells. Diffusion also has to have cellular energy.


What are Passive processes that move substances across membranes?

Diffusion ,osmosis


How do substances like co2 and move in and out of the cell?

By the process of diffusion and osmosis.


What passive process that move substances across membranes?

Diffusion ,osmosis


What is the way most materials move in and out of cells?

diffusion


How does oxygen move from the blood into body cells?

by diffusion