Microbiology CLED agar is preferred to MacConkey in the processing of urinary samples because : A It suppos both Gram positive and Gram negative organisms B It prevents swarming of Proteus C The growth can be seen in 4 hours D Klebsiella and E.coli can be differentiated easily 💡 Explanation CLED agar is preferred to MacConkey in the processing of urinary samples because : ✓ Correct Answer: A. It suppos both Gram positive and Gram negative organisms