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Steroids quiz

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  • How do most steroids differ from one another?
    Most steroids differ in the functional groups attached to their tetracyclic core, which can vary in position and type, affecting their biological function.
  • Which class of lipids has four fused carbon rings?
    Steroids are the class of lipids that have four fused carbon rings.
  • How are steroids similar to other lipids?
    Steroids are similar to other lipids in that they are non-hydrolyzable and hydrophobic, allowing them to interact with lipid membranes.
  • What is a true structural characteristic of steroid hormones?
    They have a tetracyclic structure
  • Which lipid is classified as a steroid?
    Cholesterol
  • Which hormone is not steroid-based?
    Insulin
  • What is true about steroid hormones regarding their origin?
    They are derived from cholesterol
  • How do steroid hormones interact with cell membranes?
    They pass through cell membranes easily
  • Which hormone is not a steroid hormone?
    Insulin
  • What is one function of steroids related to muscle?
    Regulating muscle growth
  • How do steroid hormones differ from polypeptide hormones and most amino-acid-derived hormones?
    Steroid hormones are lipid-soluble and can pass through cell membranes, whereas polypeptide and amino-acid-derived hormones are typically water-soluble and bind to cell surface receptors.
  • What is a similarity between peptide and steroid hormones?
    Both act as chemical messengers
  • Steroid hormones are derived from what molecule?
    Steroid hormones are derived from cholesterol.