Yeast cells derive their energy from glucose by

Which of the following is the Fischer projection of $L$-threonine (also known as $(2S, 3R)-2$-amino-$3$-hydroxybutanoic acid)?

Food preservative sodium benzoate is eliminated from the body as which of the following metabolite?

Assertion : $DNA$ as well as $RNA$ molecules are found in the nucleus of a cell.
Reason : On heating,the enzymes do not lose their specific activity.

Which class of terpenes includes $\beta$-carotene?

Match List-$I$ and List-$II$

List-$I$	List-$II$
$A$. Molisch's Test	$I$. Peptide
$B$. Biuret Test	$II$. Carbohydrate
$C$. Carbylamine Test	$III$. Primary amine
$D$. Schiff's Test	$IV$. Aldehyde

Choose the correct answer from the options given below: