Which of the following represents an ion?
a. a particle having 14 protons, 14 neutrons,...
Which of the following represents an ion?
a. a particle having 14 protons, 14 neutrons, and 14 electrons
b. a particle having 9 protons, 9 neutrons, and 10 electrons
c. a particle having 19 protons, 21 neutrons, and 19 electrons
d. a particle having 1 proton, 3 neutrons, and 1 electron
Answers: 1
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True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.
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