When a piece of bread is chewed,it tastes sweet because

Which of the following components are made suitable for absorption after digestion?
$I-$ Lipids,$II-$ Carbohydrates,$III-$ Water,$IV-$ Nucleic acids,$V-$ Vitamins,$VI-$ Minerals,$VII-$ Proteins

Digestion of both starch and protein is done by

Which carbohydrate-splitting enzyme initiates the chemical process of digestion in the oral cavity?

Protein $\rightarrow$ $\dots\dots$

State the role of pancreatic juice in the digestion of proteins.