Exam 26: Lipids

What is the structure of oleic acid?

Consider the following. $\text { I. } \mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{14} \mathrm{CO}_{2} \mathrm{H}$ $\text { II. } \mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{10} \mathrm{CO}_{2}^{-} \mathrm{Na}^{+}$ $\text { III. } \mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{10} \mathrm{CH}_{2} \mathrm{OH}$ $\text { IV. } \mathrm{CH}_{3}\left(\mathrm{CH}_{2}\right)_{10} \mathrm{OSO}_{3}^{-} \mathrm{Na}^{+}$ $\text { V. } \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{O}^{-} \mathrm{Na}^{+}$ Structure ____ would be classified as an synthetic detergent.

Consider the following structures. Use these to answer the following questions by placing the appropriate Roman numerical in the blank. -Saponification followed by protonation of structure _____ produces three moles of the same saturated fatty acid.

What is the R/S configuration of C-8 and C-12 of prostaglandin F_2α?

What functional group of the protein opsin reacts with retinal to form rhodopsin, a light-sensitive pigment?

The number of carbon atoms in the unsaturated fatty acid from which prostaglandins are derived is _____.

Match the terms with the most appropriate descriptions. -Suppresses ovulation

Explain the formation of "soap scum", formed in areas which have "hard" water. What chemical reaction takes place, and what physical process results?

Which of the following is a synthetic detergent?

Consider the following substance. $\mathrm { CH } _ { 3 } \left( \mathrm { CH } _ { 2 } \right) _ { 18 } \mathrm { CO } _ { 2 } \mathrm { H }$ The melting point of the above substance will be _________ than that of the substance listed below.

How many triglycerides (including stereoisomers) are there which contain one molecule of stearic acid, one of myristic acid and one of arachidic acid?

CH₃(CH₂)₁₂CO₂H would be expected to be found in higher concentration in butter versus olive oil.

The general formula for a fat or oil is shown below.

Circle the hydrophilic part of sodium palmitate, a soap that is the sodium salt of a fatty acid, and put a rectangle around the hydrophobic part.

Match the terms with the most appropriate descriptions. -Development of facial hair in men

The family of C₂₀ lipids that contain a five-membered ring with two long side chains are called ____________________.

Which of the following processes is used to harden an oil to give a fat?

Consider the following structures. Use these to answer the following questions by placing the appropriate Roman numerical in the blank. -Saponification followed by protonation of structure _____ produces two moles of the salt of stearic acid and one mole of the salt of oleic acid.

Match the terms with the most appropriate descriptions. -A constituent of bile acid

The increase in the fluidity of a phospholipid bilayer is because of the _____.