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What is the difference between bulk motion and diffusion?
The difference between the two is that bulk motion is the flow through the capillary. Diffusion is the movement of the molecules in a fluid.Ê
Why do scientists use two separate terms to describe diffusion and osmosis?
Diffusion describes dispersion of a contaminant through a bulk fluid. Osmosis describes dispersion of a contaminant through a membrane or divider of some sort.
How can you use the word bulk in a sentence?
The bulk of the money was in his paycheck.
What is a sentence for bulk of work?
I'm tired of doing the bulk of the work while my teammates do nothing.After doing the bulk of my homework for the week, my teacher assigned more homework.
What is bulk motion?
Bulk motion is a type of motion that an object does. The object moves in a wave-like formation instead of just the waves moving.
What is the difference between bulk motion and diffusion?
The difference between the two is that bulk motion is the flow through the capillary. Diffusion is the movement of the molecules in a fluid.Ê
What is the difference between diffusion and bulk flow in terms of the movement of substances across a membrane?
Diffusion is the movement of substances from an area of high concentration to low concentration, while bulk flow is the movement of substances in a fluid due to pressure differences. Diffusion occurs passively, while bulk flow requires energy.
When eddy diffusion occurs?
if there is convective flow or bulk flow or random mixing of molecules ,eddy diffusion will occur.
How is usnea taken?
Usnea is commercially available in bulk form or as a powder, capsule, or tincture.
How diffusion occurs along with convection in fluid?
Diffusion in fluid occurs when particles move from an area of high concentration to an area of low concentration due to random motion. Convection, on the other hand, involves the bulk movement of fluid resulting from temperature or density differences. In a fluid, both diffusion and convection can occur simultaneously, with diffusion driving molecular movement within the fluid while convection causes bulk movement of the fluid itself.
What are the four ways that substances can cross a cell membrane that do not involve ATP?
Substances can cross a cell membrane without ATP through passive diffusion, facilitated diffusion, osmosis, and bulk flow. Passive diffusion allows small, nonpolar molecules to move directly through the lipid bilayer. Facilitated diffusion involves specific proteins assisting the transport of larger or polar molecules across the membrane. Osmosis is the diffusion of water across a selectively permeable membrane, while bulk flow refers to the movement of fluids and solutes together due to pressure differences.
What is parenchyma in humans?
Parenchyma refers to the bulk of an organ. Thus, the liver parenchyma is the bulk of the liver (not the capsule around it, or the blood vessels that go through it). The brain parenchyma is the bulk of the brain (not the meninges or the spinal cord or optic nerves).
Why do scientists use two separate terms to describe diffusion and osmosis?
Diffusion describes dispersion of a contaminant through a bulk fluid. Osmosis describes dispersion of a contaminant through a membrane or divider of some sort.
Does Bdc increase or decrease with temperature?
Bdc, or the bulk diffusion coefficient, generally increases with temperature. As temperature rises, the kinetic energy of the particles increases, facilitating greater mobility and diffusion rates. This trend is observed in many materials and systems, where higher temperatures allow for faster diffusion of atoms or molecules.
How does convective diffusion contribute to the overall transport of substances in a fluid medium?
Convective diffusion helps substances move through a fluid medium by combining the effects of convection (bulk flow) and diffusion (random molecular movement). This process enhances the overall transport of substances by speeding up their movement and distribution within the fluid.
What bulk transport moves material out of the cell?
passive transport- diffusion, osmosis bulk/ active transport: requires energy ------------------------------------------- A+ -- exocytosis
What is the difference between molecular transport and bulk transport?
Molecular transport refers to the movement of individual molecules across cell membranes, often through processes like diffusion or facilitated diffusion, which occur at a cellular level. In contrast, bulk transport involves the movement of larger quantities of materials, such as groups of molecules or particles, typically through processes like endocytosis and exocytosis. While molecular transport is generally passive and driven by concentration gradients, bulk transport often requires energy input to move substances across membranes.
