Which of the Following Structures Has Large Amounts of Chitin

question 67

Multiple Choice

Which of the following structures has large amounts of chitin?

• A) skeletons of mammals
• B) hydrostatic skeletons of earthworms
• C) exoskeletons of insects
• D) body hairs of mammals

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Definitions:

Insulin

A hormone produced by the pancreas that regulates blood glucose levels by facilitating the uptake of glucose into tissues.

Ghrelin

A hormone produced in the stomach that stimulates hunger and food intake.

Neuropeptide Y

A neurotransmitter found in the brain and autonomic nervous system, involved in the regulation of energy balance and appetite.

Melanocortins

A group of peptides that appear to suppress appetite, leading to weight loss.