In the proper order, which of the following media is listed correctly?

The ordered sequence of media for culturing microorganisms reflects their specific conditions for optimal growth. The order suggested in the correct answer starts with SDS, which is a selective media that targets specific organisms, allowing for isolation based on desired characteristics.

Following SDS, CAP CO2 (Chocolate Agar with carbon dioxide) provides a rich environment that supports growth of fastidious organisms, particularly those requiring increased CO2 levels. Next is MAC O2 (MacConkey Agar under aerobic conditions), which is selective for Gram-negative bacteria and provides additional differentiation based on lactose fermentation.

MTM CO2 (Modified Thayer-Martin Agar with carbon dioxide) is included next, which is designed for the isolation of Neisseria species, particularly in a CO2-enriched atmosphere, catering to organisms with specific growth requirements. Lastly, BHI (Brain-Heart Infusion broth) is a highly nutritious medium suitable for a wide variety of organisms, often used for those that thrive in rich environments.

This arrangement emphasizes the transition from selective media to more general-purpose media, illustrating the progression of media complexity and nutrient richness as one moves through the growth requirements of different bacterial species.