Question

All monosaccharides containing five or six carbon atoms have:

• A. open chain structures
• B. pyranose structure
• C. furanose structures
• D. may have pyranose or furanose structures

Answer 1

Answer: (A)

open chain structures

All monosaccharides containing five or six carbon atoms have open chain structures.
Monosaccharides containing five carbon atoms may have furanose structures.
Monosaccharides containing six carbon atoms may have either furanose or pyranose structures.