Chemistry of Life Worksheet
Explore the fundamental chemical building blocks of life, including water, carbohydrates, lipids, proteins, and nucleic acids, and their roles in biological systems.
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Chemistry of Life
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Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following properties of water is NOT primarily responsible for its role as the 'solvent of life'?
High specific heat capacity
Polarity
Hydrogen bonding
Cohesion and adhesion
2. The primary structure of a protein refers to its:
Alpha-helices and beta-pleated sheets
Sequence of amino acids
Overall three-dimensional shape
Interaction between multiple polypeptide chains
3. The two main types of nucleic acids are and .
4. Lipids are characterized by their insolubility in water, making them .
5. The monomers of carbohydrates are called .
6. Describe the role of hydrogen bonds in the structure and function of DNA.
Match the macromolecule with its primary function.
7. Carbohydrates
a. Genetic information storage
8. Lipids
b. Long-term energy storage, cell membranes
9. Proteins
c. Quick energy source, structural components
10. Nucleic Acids
d. Catalyzing reactions, structural support, transport
11. Enzymes are a type of lipid that speed up biochemical reactions.
True
False
12. Saturated fatty acids contain one or more double bonds in their hydrocarbon chains.
True
False
13. Compare and contrast the general structure and primary functions of starch and cellulose, both of which are polysaccharides. How do their structural differences relate to their different roles in living organisms?