The digestive enzymes can only recognize the structure of the substrate but can not recognize whether it is inside cell or from outside. So if there is no membrane, the enzyme will digest the structure of its own.
Answer:
Women need more iron than men to make up for the amount of iron they lose in their menstrual period.
Explanation:
The answer is B: proteins and lipids.
Also carbohydrates
Answer:
Hydrogen and part oxygen
Explanation:
Water is composed of these two which makes the symbol H20