Which of the following contain $\alpha$-$D$-glucose units?
$a$) Cane sugar
$b$) Milk sugar
$c$) Cellulose
$d$) Amylose

Yeast cells derive their energy from glucose by

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

$A, B$ and $C$ are three biomolecules. The results of the tests performed on them are given below:

	$\text{Molisch's Test}$	$\text{Barfoed Test}$	$\text{Biuret Test}$
$A$	$\text{Positive}$	$\text{Negative}$	$\text{Negative}$
$B$	$\text{Positive}$	$\text{Positive}$	$\text{Negative}$
$C$	$\text{Negative}$	$\text{Negative}$	$\text{Positive}$

$A, B$ and $C$ are respectively:

Chemically,'digestion' is: