★ Cellular Transport and Metabolism Quiz
What is facilitated diffusion?
A. Movement of molecules against their concentration gradient with the help of energy
B. Movement of molecules from low to high concentration without energy
C. Movement of molecules from high to low concentration through a protein channel without energy
D. The process by which cells engulf large particles
Select your answer:

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Blood › View_______ tissue carries messages from the brain to the spinal column.
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Epiphyseal Plate of Cartilage is responsible for bone growth in
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