Distinguish Between Simple Diffusion (SD), Facilitated Diffusion (FD), and Active

question 96

Short Answer

Distinguish between simple diffusion (SD), facilitated diffusion (FD), and active transport (AT) across a membrane for the following questions. (More than one may be true.)
(a) Which processes are energy dependent?
(b) Which processes need some kind of carrier protein(s)?
(c) Which processes can be saturated by substrate?
(d) Which processes can establish a concentration gradient?
(e) How much energy does it take to transport an uncharged substrate in, if its starting inside concentration is 10-fold greater than outside?

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Definitions:

Folic Acid

A B vitamin that is crucial for healthy cell growth and development, particularly important during pregnancy.

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The tightening and relaxing of the uterine muscles, which can occur during labor, menstruation, or at other times.

Third Stage

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Down Syndrome

A condition in which a third, extra chromosome appears at the 21st site; also known as trisomy 21. Down syndrome is associated with distinctive physical characteristics accompanied by developmental disability.