Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Sucrose is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond.

Answer: What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond?


Question: The name for a matter that has a fixed volume and a fixed shape is solid.

Answer: What is the name for a matter that has a fixed volume and a fixed shape?


Question: Although it is not vital to humans, calcitonin is important for calcium homeostasis in adults of some species in vertebrates group characterized by backbones.

Answer:
Although it is not vital to humans, calcitonin is important for calcium homeostasis in adults of some species in what group characterized by backbones?