Q. Bile juice contains no digestive enzymes, yet it is important for digestion. Why? Ans. Bile juice is secreted by the liver and acts as a digestive juice. It contains bile salts such as bilirubin ...

Enzymes are biological catalysts which speed up reactions including digestion. Lipids include fats (solid at room temperature) and oils (liquid at room temperature). Vitamins and minerals Vitamins and ...