Answer;
-Chitin is a structural carbohydrate that forms their exoskeleton
Explanation;
-Chitin is the main component in the exoskeletons of arthropods and crustaceans and is also in the cell walls of fungi.
-It is a linear long chain polymer consisting of repeated units of N-acetyl-glucosamine.
-The main function of the chitin-containing exoskeleton is to keep the inner soft tissue safe from any sort of injury and also prevents the delicate tissues from drying (acts as a water tight barrier against dehydration).
the answer is chemical reaction
Chlorine is a chemical element with symbol Cl and atomic number 17 that is widely used in the chemical and pharmaceutical industry. It is a t<span>oxic, corrosive, greenish yellow gas, irritating to the eyes and skin.</span>
It is denoted as Cl.
The following statement is NOT true about chlorine: A. It is not reactive.
Your answer would be Interphase