This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidneys and Body Fluids, Subject name: Physiology
Two particles have same diameter. The one which will pass easily through glomerular membrane has 
Select and explain. 
A. Positive charge, B. Negative charge, C. Any of the above, D. Charge has no relation
A: Positive charge
Answer: A: Positive charge 
Explanation: Ans. (a) Positive charge(Ref: Ganong, 25th ed/p.677)Positively charged molecules are filtered more readily than negatively charged molecules