Consider the compound pentane, C3H12. Examine all of the places where a branched chain could occur. How many different ways could this chemical compound be built? How do you know?

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explanation:

answer; the correct answer is desert plants;

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.