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1. Describe simple and facilitated diffusion in passive transport? a. simple diffusion b. facilitation diffusion 2. Describe osmosis?

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Biology

1. Describe simple and facilitated diffusion in passivetransport?

a. simple diffusion

b. facilitation diffusion

2. Describe osmosis?

Answer & Explanation Solved by verified expert
4.1 Ratings (475 Votes)
1 Answer Cell membranes are selectively permeable regulating which substances can pass through Selective permeability is essential to cells ability to obtain nutrients eliminate wastes and maintain a stable interior environment different than that of the surroundings maintain homeostasis The simplest forms of transport across a membrane are passive Passive transport does not require the cell to expend any energy and involves a substance diffusing down its concentration gradient across a membrane A concentration gradient is a just a region of space over which the concentration of a substance changes and substances will naturally move down their gradients from an area of higher to an area of lower concentration a Simple Diffusion Simple diffusion is the process by which solutes are moved along a concentration gradient in a solution or across a semipermeable membrane Simple diffusion is carried out by the actions of hydrogen bonds forming between water molecules and solutes Water molecules move in to surround individual solute molecules which maximizes hydrogen bonding Hydrogen bonds are extremely    See Answer
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