A Concentration Gradient of Glucose Across a Membrane Means That

Multiple Choice

A concentration gradient of glucose across a membrane means that

A) there are more moles of glucose on one side of the membrane than on the other.
B) glucose molecules are more crowded on one side of the membrane than on the other.
C) there is less water on one side of the membrane than on the other.
D) the glucose molecules are chemically more tightly bonded on one side than on the other.
E) there are more glucose molecules within the membrane than outside the membrane.