Answer:
look at the photo that I attatched
An enzyme is a biological molecule that acts as a catalyst in many reactions. They speed up chemical reactions especially the reactions inside living organisms. An enzyme is made up of amino acids. They are known to be very efficient catalysts. Hope this answers the question!
Hello user
Question: <span>Why do you think certain laundry detergents contain starch
Answer: Starch is used to clean things some don't contain it because some people believe it is harmful and are allergic to it.
I hope I helped
-Chris</span><span />
Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.
but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
for more refer to this:
Hope this helped
and ur welcm