Asked by Lula
Which one of the following molecules can MOST easily pass through the plasma membrane unassisted?
A. Ca2+, a positive ion
B. Cl−, a negative ion
C. CO2, a nonpolar gas
D. glucose, a large sugar
A. Ca2+, a positive ion
B. Cl−, a negative ion
C. CO2, a nonpolar gas
D. glucose, a large sugar
Answers
Answered by
DrBob222
The smaller and nonpolar molecules pass through more easily. So pick CO2.
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