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Elena-2011 [213]
3 years ago
15

Help me please,Thanks

Biology
2 answers:
frutty [35]3 years ago
6 0
Movement of heat from one solid to another. Your hands get cold holding cold water
rosijanka [135]3 years ago
5 0
It is the third one.
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A student draws a fence with several gate as part of a model of cellular transport explain what defence indicates represent blam
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The given question says that a student has constructed a model of cellular transport using fences and several gates.  

This model can be used to demonstrate the cellular transport.

The gates of the fences can be supposed as the protein pumps and the other fence demonstrates the lipid bilayer.  

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Now, let’s say, the student wants to feed the cattles with some nutrition rich food, which can help in maintaining the health of the cattles. The student fills his car with the cattle food and he enters inside the fence through gates. In this case, the food was not present in the fence, but was abundant in the outside environment, so, the diffusion would occur. But food cannot come self, without help of others, so, the movement is facilitated by the car, as it is done by the carrier proteins. Hence, it is an example of facilitated diffusion.  


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