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What molecules diffuse out of a leaf?
Oxygen and water vapor are molecules that diffuse out of a leaf through tiny pores called stomata. Oxygen is produced during photosynthesis, while water vapor is a byproduct of transpiration, the process where plants lose water through their leaves.
Can Iodine Potassium Iodine when mixed with a starch diffuse through a semipermeable membrane?
No, iodine potassium iodide mixed with starch cannot diffuse through a semipermeable membrane because the starch molecules are too large to pass through the pores of the membrane. Only smaller molecules like iodine will be able to pass through.
What is it called when heat is transferred through a substance by the direct contact of molecules?
Conduction is the process by which heat is transferred through direct contact between adjacent molecules in a substance.
Which gas will diffuse faster between bromine and chlorine?
Chlorine will diffuse faster than bromine because it has a lower molecular weight and therefore lighter molecules, which allows them to move more quickly through a medium. Additionally, chlorine molecules have a smaller size compared to bromine molecules, further facilitating their diffusion.
Why non polar molecules diffuse more rapidly through membranes than polar molecules?
The implication of non-polar molecules diffusing more rapidly than polar molecules to the transport of substances through the plasma membrane is quite significant. Concentrate gradients are established which facilitate the transport of vital molecules.
How does molecules of a gas substance diffuse through the air?
Answer given by: Jennifer Maycub
Which substance was able to diffuse through the cellophane?
The substance that can diffuse through cellophane is typically small, nonpolar molecules or water. For example, water can pass through cellophane membranes due to its small size and polar nature, while larger molecules like glucose or starch generally cannot. The permeability of cellophane depends on the size and polarity of the molecules involved.
What substance will diffuse through a membrane?
Substances that are small, nonpolar, and uncharged will diffuse through a membrane easily. This includes gases like oxygen and carbon dioxide, as well as small lipophilic molecules. Larger or charged molecules may require assistance from transport proteins to cross the membrane.
What is the medium through which nutrients diffuse?
ground substance
Would a substance of high molecular weight diffuse faster than a substance of lower molecular weight?
No, substances with higher molecular weight typically diffuse more slowly than those with lower molecular weight due to larger size and greater interaction with surrounding molecules. Smaller molecules have less resistance to movement and can diffuse more easily across a membrane or through a solution.
Which substance did not diffused through the membrane?
starch doesnt diffuse through the dialysis membrane.
Molecules diffuse from capillaries to body cells by moving through the?
veins
How can some substance diffuse through a cell membrane at faster rate than by diffusion alone?
In facilitated diffusion, there are temporary openings in the cell membrane that enable certain molecules to pass through quickly.
Why do sugar molecules not diffuse through a plant cell membrane?
Sugar molecules do not diffuse through a plant cell membrane because they are too large and polar to pass through the hydrophobic interior of the lipid bilayer. Instead, sugar molecules are transported across the membrane by specific transport proteins, such as sugar transporters, that facilitate their movement into the cell.
What particles can diffuse directly through the lipid bi-layer?
As the bilayer contains hydrophobic fatty acid tails, water-soluble molecules cannot diffuse directly through. However, lipid soluble molecules such as oxygen can diffuse directly through. Overall, for a molecule to be able to diffuse directly through it must be lipid-soluble, relatively small and non-polar.
What substance can pass through the lipid bilayer i.e. in between the phospholipid molecules?
Non-polar molecules, small polar molecules, and gases like oxygen and carbon dioxide can pass through the lipid bilayer passively due to its semi-permeable nature. These molecules can easily diffuse through the hydrophobic core of the membrane.
What substance is most likely to passively diffuse across the plasma membrane by dissolving in the membrane?
Nonpolar molecules like lipid-soluble substances (e.g., steroid hormones, oxygen, and carbon dioxide) are most likely to passively diffuse across the plasma membrane by dissolving in the lipid bilayer. This type of diffusion does not require a specific transport protein and can occur directly through the phospholipid bilayer due to the molecules' hydrophobic nature.
