The statements below are about diffusion. Mark each as true or false. 1- It is a...
The statements below are about diffusion. Mark each as true or false.
1- It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
2-It is an active process in which molecules move from a region of lower concentration to one of higher concentration.
3- It requires integral proteins in the cell membrane.
4- It is very rapid over long distances
5-It does not require an expenditure of energy by the cell.
Homework Answers
diffusion is a passive process that is energy is not required for this process and molecules move from higher concentration to lower concentration and diffusion does not require membrane proteins, and rate of diffusion decreases with distance.
1- True
2)- False
3- False
4)- false
5- True
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The statements below are about diffusion. Mark each as true or
false.
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Please summarize this chapter typed clearly. Diffusion Is a passive process of transport. A single substance...
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Please summarize this chapter
typed clearly.
Diffusion Is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across a space. Facilitated transport Facilitated diffusion is the process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins. Channels The integral proteins involved in facilitated transport are collectively referred to as transport proteins, and they...
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ane Transport - Facilitated Diffusion Side with higher concentration of molecules Transport protein Plasma membrane Facilitated diffusion causes a net movement of molecules down their concentration gradient. mework : Membrane Transport - Active Transport Side with higher concentration of square molecules Transport protein Energy input from the cell Plasma membrane Side with lower concentration of square molecules
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