Which of the following is not a macromolecule?

Identify the statement which is not correct from the following.
$(i)$ Carbohydrates are stored as glycogen in animals.
$(ii)$ In glycylalanine,the carbonyl group of peptide bond belongs to alanine.
$(iii)$ Base - sugar - phosphate unit is known as nucleoside.
$(iv)$ Obesity is due to hypothyroidism.
The correct answer is

Yeast cells derive their energy from glucose by

Chemically,'digestion' is:

Seliwanoff test and Xanthoproteic test are used for the identification of $....$ and $....$ respectively.

Which among the following statements about terpenes is $NOT$ true?