3. When two liquids are mixed and a solid
forms as a reaction, the solid is called a
A. preci...
Physics, 01.12.2020 05:30 cruzsuarezjanca
3. When two liquids are mixed and a solid
forms as a reaction, the solid is called a
A. precipitate
participant
c. percipitate
D. polypeptide
And why?
Answers: 2
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Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.
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