Fingernails are made of protein and keratin. Gypsum is softer than a fingernail.
Answer:
condensation
Explanation:
Amino acids consist of carbon, oxygen, hydrogen, and nitrogen. The linking of two amino acids entails the release of a water molecule. Hence, the process that links two amino acids together is called condensation. The condensation reaction is also called a dehydration reaction.
Grasshoppers have an exoskeleton.
Tapeworks have a hydroskeleton.
Crocodiles have an endoskeleton.
Glycogen is a polysaccharide useful for energy storage in the body. It is easily confused with starch. Actually, both are mostly similar. However, the most distinct difference is that glycogen is for humans and animals, while starch is for plants. Hence, the answer is <span>a polysaccharide found in animals.</span>