Which of the following pair of glycosamines is linked to 3-carbon acids at the C-1 or C-3 positions,and are components of the polysaccharides of higher organisms and bacterial cell walls?
A)glucosides and galactosides
B)muramic acid and neuraminic acid
C)gluconic acid and glucuronic acid
D)sorbitol and ribitol

Question

Quizplus · Accepted Answer

Muramic acid and neuraminic acid are both glycosamines that are linked to 3-carbon acids at the C-1 or C-3 positions. They are components of polysaccharides found in higher organisms and bacterial cell walls. Glucosides and galactosides are not linked to 3-carbon acids and are not typically found in polysaccharides. Gluconic acid and glucuronic acid are not glycosamines and do not contain amino groups. Sorbitol and ribitol are not linked to 3-carbon acids and are not typically found in polysaccharides.

Which of the Following Pair of Glycosamines Is Linked to 3-Carbon