save my exams digestion

Question 1

Digestion

Answer 1

relatively large, insoluble biological molecules in food (such as starch, proteins) are hydrolysed into smaller, soluble molecules that can be absorbed across the cell membranes into the bloodstream and delivered to cells in the body

Question 2

Enzymes in digestions

Answer 2

catalyse the hydrolysis

Question 3

small soluble molecules used

Answer 3

either to provide cells with energy (via respiration) or to build other molecules for cell growth, repair and function