in your own words what are the roles of neutral red and lact

in your own words ,what are the roles of neutral red and lactose in macconkdey agar

Solution

. Lactose acts as a fermentable carbohydrate source, while as Neutral red acts as an indicator for ph it has a property of turning red at a pH less than 6.8 and turns colorless (without color) at higher pH > 6.8.