Hydrogen ions move through the membrane protein shown below by facilitated diffusion.
What must the membrane protein do so that hydrogen ions can flow through
it?
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Environmental impacts on evolution : mastery test

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line