AnswersPA Human Anatomy Physiology A 2026-2027 SMITH ICCell HomeostasisQuestion 4
4
QuizMultiple Choice

Cell Homeostasis

Question 4 • PA Human Anatomy & Physiology A 2026-2027 SMITH IC

Which motion of particles across a membrane requires energy?

Answer
A
from high concentration to low concentration
B
from low concentration to high concentration
C
with no concentration gradient
D
through dynamic equilibrium
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