10 Questions
What is the chemical formula of water?
H2O
Which property of water allows it to serve as a good transport medium in the body?
Solvency
Which property of water makes it fundamental to photosynthesis and cellular respiration?
Solvency
What are the two main elements that make up a molecule of water?
Oxygen and Hydrogen
How are the two hydrogen atoms in a water molecule linked to the oxygen atom?
Covalently
What is the significance of the 'bent' structure of the water molecule?
It allows the formation of hydrogen bonds
How do non-polar biological macromolecules interact with water?
They cause the water molecules to form a clathrate structure
What are amphiphilic molecules?
Molecules containing both strongly polar and strongly nonpolar groups
What is the significance of the hydrogen bond formation in water?
It contributes to the anomalously high boiling point and surface tension of water
How do hydrophobic molecules interact with water?
By experiencing a net attraction for one another due to their polar nature
Test your knowledge about the physical, chemical and biological properties of water with this quiz. Learn about the importance of water as a transparent and virtually colorless chemical substance that is indispensable to life, and its role as the main constituent of the earth’s surface.
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