Exam 16: Lipids and Membranes

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -During the beta oxidation of the acid, the cycle must be repeated_____times.

Arachidic acid has a molecular formula of C₂₀H₄₀O₂. How many cycles of beta oxidation are required to breakdown one molecule and how many molecules of acetyl CoA are formed?

In order to produce a carboyxlic acid from a triglyceride, it would be necessary to add

Draw the structures for each of the products produced on the hydrolysis of the following substance using KOH .

Draw the structure of the triglyceride formed from glycerol and one molecule of stearic acid and two molecules of oleic acid. Use condensed formulas. There are two possible structures.

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -For this fatty acid, from beta oxidation through the citric acid cycle, ____molecules of FADH₂ total are produced.

Triglycerides (or triacylglycerols) are composed of four components, one glycerol and three fatty acids.

Examine the diagram of a mitochondrion shown below. Fill in the blanks with the appropriate letter (A, B, C, D). -Lipid bilayer: _____________________

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure. Fill in the blanks with the appropriate letter (A, B, C, D, E). -Structure ______________________ would represent a saturated fatty acid.

Examine the fatty acids given below. The names of the acids are given above the formula and each structure given a letter designation below the structure. Fill in the blanks with the appropriate letter (A, B, C, D, E). -The substance most likely to be a solid at room temperature would be structure___________________.

Consider the following descriptions of the fatty acids found in a triglyceride. Which triglyceride would have the lowest melting point?

During the digestion of triglycerides

Which of the following cannot be synthesized by the body?

Consider the complete oxidation of a saturated fatty acid with the formula shown below. For each of the following questions enter the appropriate number (1,2,3,...) in the blank. -During the beta oxidation of the acid, _____molecules of NADH are produced.

Consider the beta oxidation of a saturated fatty acid. For 5 turns of the cycle how many total high energy molecules are produced?

The following acid would be classified as an omega-6.

Draw the structure for each of the products produed on the hydrolysis of the following substance using H₂SO₄.

Linolenic acid is classified as a polyunsaturated fatty acid.

ATP synthase uses concentration gradient energy.

Active transport moves solutes across a cell membrane from lower to higher concentration and produces energy from the process.