WGU BioChem 83 QUESTIONS WITH COMPLETE SOLUTIONS

saturated fatty acid Correct Answer: A fatty acid that doesbt contain double bonds between carbons with the hydrocarbon chain Unsaturated fatty acid Correct Answer: A fatty acid with one or more double bonds within the hydrocarbon chain Phosphate group Correct Answer: Contains a phosphorus atom surrounded by four oxygens Essential fatty acid Correct Answer: Include Unsaturated fatty acids that contain and omega-3 and/or an omega 6 double bond. The acid portion of a fatty acid corresponds to which one of the following group/molecules? Correct Answer: CH3 Triglyceride Correct Answer: Contains three fatty acid chains attached to a glycerol molecule Which of the following vitamins does not travel through the bloodstream in the form of a lipid micelle? Correct Answer: Vitamin C is not a fat-soluble vitamin. Vitamins A, D, and K are fat-soluble vitamins. Lila see are enzymes that break down triglycerides into _________ and three fatty acids Correct Answer: Glycerol Membrane fluidity Correct Answer: As the numbers of double bonds within the hydrocarbon chain increases, the fluidity increases Which of the following contributes to membrane fluidity? Correct Answer: Cholesterol The dietary absorption of fat soluble vitamins requires phospholipids in the form of _______? Correct Answer: Micelles Micelles Correct Answer: Are composed of phospholipids and can hold fat-soluble vitamins True or False: Phospholipids that are part of a cell number and contain only unsaturated fatty acids Correct Answer: False Due to their amphipathic nature, phospholipids conform micelles and transport other lipids. The fatty acid chains that make up the phospholipids are the basis of their non-polar character, and the _______ is the basis of its polar nature. Correct Answer: Phosphate group How many acetyl CoA molecules can be made