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

4. Water

Introduction to Water

Microbiology

4. Water

Introduction to Water

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Multiple Choice

The emergent properties of water (cohesion, high heat capacity, good solvent) come from the fact that water is and hydrogen bond.
a) Polar, can.
b) Polar, cannot.
c) Non-polar, can.
d) Non-polar, cannot.

Polar, can.

Polar, cannot.

Non-polar, can.

Non-polar, cannot.

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Verified step by step guidance

Understand the concept of polarity: Water is a polar molecule because it has a partial positive charge on one side (hydrogen atoms) and a partial negative charge on the other side (oxygen atom). This polarity allows water molecules to form hydrogen bonds with each other.

Explore the concept of hydrogen bonding: Hydrogen bonds are weak interactions that occur between the hydrogen atom of one water molecule and the oxygen atom of another. These bonds are responsible for many of water's unique properties.

Analyze the property of cohesion: Cohesion refers to the attraction between molecules of the same substance. In water, cohesion is due to hydrogen bonding, which allows water molecules to stick together, leading to phenomena like surface tension.

Examine the high heat capacity of water: Water's ability to absorb and retain heat is due to the hydrogen bonds between water molecules. These bonds require a significant amount of energy to break, allowing water to stabilize temperatures in environments.

Consider water as a solvent: Water's polarity allows it to dissolve many substances, making it an excellent solvent. The positive and negative ends of water molecules can surround and separate ions or polar molecules, facilitating their dissolution.