Which of the following statements are correct? a) In maltose, C-1 of one $\alpha-\mathrm{D}$-glucose is…
Which of the following statements are correct?
a) In maltose, C-1 of one $\alpha-\mathrm{D}$-glucose is linked to $\mathrm{C}-4$ of second $\alpha-\mathrm{D}$-glucose
b) Quaternary structure of protein represents spatial arrangement of two or more polypeptide chains with respect to each other
c) Nucleotide units in a nucleic acid are joined to each other through a phosphodiester linkage
d) Abnormally low level of thyroxine leads to hypothyroidism