Osmosis differs from the process of diffusion in that osmosis concerns only the movement of
A) water across a membrane
B) organic substances across a membrane
C) organic substances activated by carriers across the membrane
D) organic substances with enzymes carriers across the membrane
Ans: A) water across a membrane
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According to the nutrition standards for schools, any food sold in schools must have a calorie limit of _____ for snacks.
A. ?250 kcal B. ?480 kcal C. ?200 kcal D. ?350 kcal E. ?230 kcal
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Indicate whether the statement is true or false
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A) transport proteins B) sensory proteins C) regulatory proteins D) signaling proteins