The diagram shows a section of an alginic acid molecule. Alginic acid is a polymer that occurs in the cell walls of brown seaweeds. Which statement about alginic acid is correct?
- AAlginic acid is a linear polysaccharide containing $1,6$ glycosidic bonds between each hexose sugar.
- BAlginic acid is formed from two monomers joined by $1,4$ glycosidic bonds.
- CAlternate monosaccharides are arranged in opposite directions; this is also seen in glycogen molecules.
- DHexose sugars and water molecules are joined by condensation reactions to make alginic acid.