Question

Humans are not able to digest cellulose whereas they are able to digest starch due to * 1 point (a) absence of enzyme cellulase (b) alkaline pH in small intestine (c) presence of villi (d) acidic pH in stomach.​

Answer 1

The correct option is a) absence of enzyme cellulase

Explanation:

• Cellulose is an important polysaccharide compound that is present in the plants.
• Infact, cellulose is the main component from which plant cells walls are made.
• Animals, which feed on plant material usually can break cellulose because they contain the enzyme cellulase for breaking down of cellulose.
• As for humans, they cannot produce cellulase and hence, humans can't digest cellulose.

Answer 2

Absence of Enzyme Cellulose