Chapter 15: Problem 9
Name the five steroid hormones derived from cholesterol and briefly describe their metabolic functions in humans.
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Chapter 15: Problem 9
Name the five steroid hormones derived from cholesterol and briefly describe their metabolic functions in humans.
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What are the molecular formulas for the following saturated and unsaturated fatty acids: \(\operatorname{cis} 18: 1\left(\Delta^{9}\right), 18: 0,\) cis \(16: 1\left(\Delta^{9}\right), 16: 0,\) cis \(18: 2\left(\Delta^{9,12}\right),\) and trans \(18: 1\left(\Delta^{9}\right) ?\) What are the common names of these fatty acids at \(\mathrm{pH} 3.0\) and at physiologic pH \(7.2 ?\)
What are the three major roles of lipids in biology? Provide examples of the lipids in these roles.
What is the physiologic difference between a drug that functions as a steroid agonist and one that functions as a steroid antagonist? Give a specific example of each type of drug.
Name two glycerophospholipids found in eukaryotic cell membranes and two sphingolipids. What fraction of the lipid in most plasma membranes is cholesterol, and how does cholesterol content affect membrane fluidity?
Which has a higher stored energy potential per gram, glycogen or triglycerides? Explain.
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