What is a key structural difference between Fischer and Haworth projections?

• A. Fischer projections are linear, while Haworth projections are cyclic.
• B. Fischer projections are cyclic, while Haworth projections are linear.
• C. Fischer projections are used for proteins, while Haworth projections are used for lipids.
• D. Fischer projections show 3D structures, while Haworth projections show 2D structures.

Answer: (A)