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Biology, 22.06.2019 19:20, mildred3645
Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
Answers: 1
Biology, 22.06.2019 21:00, punkinrichard1oxon2i
Are the brightest stars low magnitude or high magnitude?
Answers: 2
Biology, 22.06.2019 21:30, ngozi1122357
How do you suppose living conditions differ between the country furthest along in the demographic transition compared to the country earliest in the transition? how would living conditions in these two countries affect both birth and death rates?
Answers: 2
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