Which of the Following Regarding Agarose Is Correct

Multiple Choice

Which of the following regarding agarose is correct?

A) Agarose readily forms gels that are only 50% water.
B) Agarose forms a double helix with a central core large enough to accommodate large quantities of water.
C) Agarose consists of only a linear component.
D) Agarose is a chain of alternating D-glucose and 3,6-anhydro-L-galactose,with side-chains of 6-methyl-D-glucose.