Which group of carbohydrates is unique in that its members are strong anions, containing a significant concentration of carboxylate and sulfate

The options are

A) Glycosaminoglycans

B) Gangliosides

C) Peptidoglycans

D) Proteoglycans

E) Selectins

The answer is A) Glycosaminoglycans

Glycosaminoglycans are polysaccharides which comprises of repetitive disaccharides. They are negatively charged as a result of the strong anions present. They are present in some cells of the body and they help in transmission of signals between cells etc.

They also comprise of carboxylate and sulfate groups in its structure.

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i