1.

Which of the following does not require carrier molecule during transport through cell membranes

A. Diffusion
B. \[N{{a}^{+}}\]and\[{{K}^{+}}\]transport
C. Active transport of sugars and amino acids
D. None of the above
Answer» B. \[N{{a}^{+}}\]and\[{{K}^{+}}\]transport


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