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

7. Prokaryotic Cell Structures & Functions

The Glycocalyx: Capsules & Slime Layers

Microbiology

7. Prokaryotic Cell Structures & Functions

The Glycocalyx: Capsules & Slime Layers

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Multiple Choice

Which of the following is not a function of slime layers and capsules:

Protection against dehydration.

Collect nutrients from its surroundings.

Attachment to other cells & solid surfaces.

Anchors the outer membrane to peptidoglycan.

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Verified step by step guidance

Understand the structure and function of slime layers and capsules in bacteria. These are extracellular structures that provide various benefits to the bacterial cell.

Recognize that slime layers and capsules primarily serve as protective barriers. They help in preventing dehydration by retaining moisture around the bacterial cell.

Identify the role of slime layers and capsules in nutrient acquisition. They can trap nutrients from the environment, aiding in the survival of the bacteria.

Consider the function of attachment. Slime layers and capsules facilitate the adherence of bacteria to surfaces and other cells, which is crucial for colonization and biofilm formation.

Evaluate the statement about anchoring the outer membrane to peptidoglycan. Understand that this function is not typically associated with slime layers and capsules, as they are not involved in structural anchoring within the bacterial cell wall.