You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is The double bond in cholesterol structure is found in and explain in detail?
structure of cholesterol Cholesterol is a 27-carbon compound containing a steroid nucleus, which resembles a phenanthrene ring (rings A, B, C) to which a cyclopentane ring (ring D) is attached Methyl groups are attached at carbons 10 and 13. A side chain is attached at carbon-17. A hydroxyl group is attached at carbon-3. Double bond is present in Ring B. Reference: Harper's Illustrated Biochemistry 30th Edition Pg 219