Which of the following best explains why a particular atom may not form compounds easily?
A) The atom has an uneven number of protons.
B) The atom's outer energy shells are completely full.
C) The atom has seven electrons in its outer shell.
D) The atom has no electrons.
B
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What do we call the proteins embedded in the plasma membrane that form a gap junction?
a. claudins b. cadherins c. connexins d. occludins
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