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Sourav Chaudhuri
on Oct 26, 2024

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Which molecule is least likely to cross a cellular membrane by simple diffusion?

A) Water
B) Oxygen
C) Nitrogen
D) Potassium ion
E) Carbon dioxide

Potassium Ion

A positively charged ion (K+) essential for various biological processes, including nerve transmission and muscle contraction.

Simple Diffusion

The movement of molecules from an area of higher concentration to an area of lower concentration without the need for energy input or assistance of membrane proteins.

Cellular Membrane

The cellular membrane, or plasma membrane, is the biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

  • Detail the method substances employ to navigate across the plasma membrane.
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KH
Kaytlan HargisNov 01, 2024
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