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Diffusion of glucose and starch?
Glucose and starch diffuse differently due to their molecular sizes. Glucose is a small, soluble molecule that can diffuse easily through cell membranes via facilitated diffusion. In contrast, starch is a large, complex molecule that cannot diffuse through cell membranes and requires enzymatic breakdown before it can be transported into cells.
What influences diffusion?
Diffusion is a type of passive transport. The factors that influence diffusion include: concentration gradient, size of molecule involved, distance the molecule has to travel, temperature, solubility of the molecule and surface area.
Which structure is the statement below most likely referring to A large glucose molecule requires facilitated diffusion but an oxygen molecule does not.?
A semipermeable membrane is a large glucose molecule that requires facilitated diffusion but an oxygen molecule does not.
What types of molecules diffuse through the cell membranes by facilitated diffusion?
Molecules that are charged or polar, such as ions, glucose, and amino acids, diffuse through cell membranes by facilitated diffusion. This process relies on carrier proteins or channel proteins to help facilitate the movement of these molecules across the membrane.
What molecule crosses the plasma membrane by diffusion?
water
Diffusion of glucose and starch?
Glucose and starch diffuse differently due to their molecular sizes. Glucose is a small, soluble molecule that can diffuse easily through cell membranes via facilitated diffusion. In contrast, starch is a large, complex molecule that cannot diffuse through cell membranes and requires enzymatic breakdown before it can be transported into cells.
Does sugar diffuse through the cell membrane?
No. Only non-polar, small molecules can pass through a membrane by simple diffusion. A sucrose molecule is too large a molecule to pass through a membrane by simple diffusion, however, it can pass through a plasma membrane (but not any artificial membranes like Visking tubings) by facilitated diffusion, i.e. through transport proteins(specific carriers for sucrose) embedded in the membranes. ! =)
Why does oxygen diffuse into the blood instead of the active transport?
Oxygen is a small molecule that can easily diffuse across cell membranes, including the membranes of red blood cells. This passive diffusion process is faster and more efficient than active transport for molecules like oxygen that are able to freely move across cell membranes.
What influences diffusion?
Diffusion is a type of passive transport. The factors that influence diffusion include: concentration gradient, size of molecule involved, distance the molecule has to travel, temperature, solubility of the molecule and surface area.
The process where a nonpolar molecule can just passively get across a membrane is called?
facilitated diffusion
Which structure is the statement below most likely referring to A large glucose molecule requires facilitated diffusion but an oxygen molecule does not.?
A semipermeable membrane is a large glucose molecule that requires facilitated diffusion but an oxygen molecule does not.
How are osmosis and diffusion defferent?
by... osmosis is the diffusion of water molecule across and athe diffusion is the process by which molecules speards from area
What types of molecules diffuse through the cell membranes by facilitated diffusion?
Molecules that are charged or polar, such as ions, glucose, and amino acids, diffuse through cell membranes by facilitated diffusion. This process relies on carrier proteins or channel proteins to help facilitate the movement of these molecules across the membrane.
What is he predominant molecule comprising cell membranes?
Lipid.
What is the protein that allows facilitated diffusion of water?
In the facilitated diffusion the transport protein is needed as well in the active transport.
What molecule crosses the plasma membrane by diffusion?
water
Is the final equilibrium state the same for a molecule that enters by facilitated diffusion as for one that enters by diffusion?
Yes
