Oxidation of glucose is one of the most important reactions in a living cell. What is the number of $ATP$ molecules generated in cells from one molecule of glucose?

$A$ decapeptide (Mol. Wt. $796$) on complete hydrolysis gives glycine (Mol. Wt. $75$),alanine,and phenylalanine. Glycine contributes $47.0 \%$ to the total weight of the hydrolysed products. The number of glycine units present in the decapeptide is

How many isoprene units are present in abscisic acid?

Which one of the following tests used for the identification of functional groups in organic compounds does not use copper reagent?

Which of the following statements are correct?
a) In maltose,$C-1$ of one $\alpha-D$-glucose is linked to $C-4$ of second $\alpha-D$-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.

Identify the correct set of stereochemical relationships amongst the following monosaccharides $(I)-(IV)$: