The artificial sweetener $X$ contains a glycosidic linkage and $Y$ contains amide and ester linkages. $X$ and $Y$ respectively are:

The tripeptide is written as Glycyl-Alanyl-Glycine. What is its correct structure?

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?

Aspartame is unstable at cooking temperature. Where would you suggest aspartame to be used for sweetening?

Assign "$T$" for a true statement and "$F$" for a false statement,then select the correct option.
$(i)$ Most naturally occurring amino acids have $L$-configuration.
$(ii)$ $\beta-D$-ribose sugar is present in $RNA$.
$(iii)$ Amylose is a water-insoluble component made up of $\alpha-D^+$-glucose units.
$(iv)$ All monosaccharides are non-reducing sugars.

Which of the following is the most important biological molecule containing $Mg$ found in living organisms?