Based on Figure 1, which of the following best compares the atomic structures of starch and cellulose?
Understand the Problem
The question asks for a comparison of the atomic structures of starch and cellulose based on information provided in a figure. It assesses the understanding of these two polysaccharides and their structural differences.
Answer
Starch and cellulose are composed of repeating glucose monomers; in cellulose, every other glucose is rotated 180 degrees.
The final answer is 'Starch and cellulose are composed of repeating glucose monomers; however, in cellulose every other glucose monomer is rotated 180 degrees.'
Answer for screen readers
The final answer is 'Starch and cellulose are composed of repeating glucose monomers; however, in cellulose every other glucose monomer is rotated 180 degrees.'
More Information
Starch and cellulose both consist of glucose monomers. The difference in rotation in cellulose leads to different properties, making cellulose suitable for plant cell walls.
Tips
A common mistake is thinking cellulose has identical monomers to starch without structural differences. The 180-degree rotation is key.
Sources
- Biochemistry Flashcards - Brainscape - brainscape.com
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