BBC3 年
Digestive enzymes and absorption
Enzymes are biological catalysts which speed up reactions including digestion. VOICEOVER: Enzymes of the digestive system ... put into a higher or lower pH, their shape can change.
BBC3 年
Digestive enzymes and absorption
Enzymes are biological catalysts which speed up reactions including digestion. VOICEOVER: Enzymes of the digestive system ... put into a higher or lower pH, their shape can change.