Table of contents

1. Introduction to Microbiology3h 22m
2. Disproving Spontaneous Generation1h 18m
3. Chemical Principles of Microbiology3h 38m
4. Water1h 28m
5. Molecules of Microbiology2h 23m
6. Cell Membrane & Transport3h 28m
7. Prokaryotic Cell Structures & Functions5h 52m
8. Eukaryotic Cell Structures & Functions2h 18m
9. Microscopes2h 46m
10. Dynamics of Microbial Growth4h 36m
11. Controlling Microbial Growth4h 10m
12. Microbial Metabolism5h 16m
13. Photosynthesis2h 31m
14. DNA Replication2h 25m
15. Central Dogma & Gene Regulation7h 14m
16. Microbial Genetics4h 44m
17. Biotechnology3h 0m
18. Viruses, Viroids, & Prions4h 56m
19. Innate Immunity7h 15m
20. Adaptive Immunity7h 14m
21. Principles of Disease6h 57m

10. Dynamics of Microbial Growth

Reviewing the Types of Culture Media

Microbiology

10. Dynamics of Microbial Growth

Reviewing the Types of Culture Media

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Multiple Choice

Which type of culture media is commonly used to grow cells of one organism that is present in very small amounts initially?

Complex media.

Reduced media.

Differential media.

Enrichment media.

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Verified step by step guidance

Understand the purpose of enrichment media: Enrichment media is designed to favor the growth of a particular microorganism by providing specific nutrients or conditions that enhance its growth over others.

Identify the characteristics of enrichment media: It often contains nutrients or growth factors that are specific to the organism of interest, allowing it to multiply even if it is initially present in small amounts.

Compare enrichment media with other types of media: Complex media provides general nutrients for a wide range of organisms, reduced media is used for anaerobic bacteria, and differential media helps distinguish between different types of organisms based on their growth characteristics.

Consider the initial conditions: When a microorganism is present in very small amounts, enrichment media is particularly useful because it selectively enhances the growth of the target organism, making it easier to isolate and study.

Apply this knowledge to practical scenarios: In microbiology labs, enrichment media is often used when trying to isolate a specific organism from a mixed sample, especially when the organism is rare or difficult to grow under standard conditions.