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CHEM 210 Module 5 Exam – (2026) Actual Questions & Answers (Biochemistry), Exams of Biochemistry

Liberty University (LU)Biochemistry

CHEM 210 Module 5 Exam features actual biochemistry exam questions with verified answers for 2026. Covers lipids, fatty acids, omega numbering, saturated and unsaturated fats, lipid functions, energy storage, membrane structure, biomolecules, and essential biochemistry concepts to help students prepare confidently for CHEM 210 Module 5 exams and quizzes. CHEM 210 Module 5 Exam, CHEM 210 Module 5 Questions, CHEM 210 Exam Answers, CHEM 210 Biochemistry Exam, CHEM 210 Study Guide, CHEM 210 Practice Test, CHEM 210 Module 5 Quiz, Biochemistry Module 5 Exam, Lipids Exam Questions, Fatty Acids Practice Questions, Omega Numbering System, Saturated vs Unsaturated Fatty Acids, Biochemistry Lipids Review, Biomolecules Exam Questions, CHEM 210 Test Bank, CHEM 210 Final Review, Lipid Structure Questions, Lipid Functions Exam, Biochemistry Practice Questions, CHEM 210 Verified Answers, Organic Biochemistry Exam, Fatty Acid Metabolism Questions, Membrane Lipids Exam,

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2025/2026

Available from 07/02/2026

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CHEM 210 Module 5 Exam Newest
1. How is the definition of lipid different from protein and carbohydrate?: The lipid
definition is based on the functional definition of being soluble in a non-polar solvent.
Proteins and carbohydrates are based on the structure.
2. What are three functions of lipids?: Any three of: energy, storage, vitamin,
protection, and insulation
3. How does the omega numbering system differ from the simplified nota- tion?: The
simplified notation starts number at the carboxylic acid, while the omega system starts at the
opposite end - from the -CH3.
4. What does unsaturated mean for a fatty acid?: Unsaturated indicates that one or more
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pf5
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pf9
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pfe

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CHEM 210 Module 5 Exam Newest

  1. How is the definition of lipid different from protein and carbohydrate?: Thelipid definition is based on the functional definition of being soluble in a non-polar solvent. Proteins and carbohydrates are based on the structure.
  2. What are three functions of lipids?: Any three of: energy, storage, vitamin, protection, and insulation
  3. How does the omega numbering system differ from the simplified nota- tion?: The simplified notation starts number at the carboxylic acid, while the omegasystem starts at the opposite end - from the -CH3.
  4. What does unsaturated mean for a fatty acid?: Unsaturated indicates that oneor more

double bonds are present.

  1. What is the difference between a fat and oil?: An oil is a lipid that is a liquid atroom temperature, while fat is a solid at room temperature. 6. How are phosphoglycerides similar to triacylglycerols? How they different?- : similar: Both have glycerol as a backbone structure. Both have fatty acids attachedto the glycerol. Differences: phosphoglycerides have two fatty acids attached to the glycerol and,as the name implies, triacylglycerols have three fatty acids. Phosphoglyceride hasa polar head group attached.
  2. What is the primary function of phosphoglycerides mentioned in this mod-ule?: forming membrane bilayers
  3. Describe at least two functions of sphingolipids.: They serve as blood group determinants, the structure of membrane bilayers, and in the myelin sheath of neurons.
  1. organic molecule that dissolves in a non-polar solventt: lipid
  2. what can a solid fat and liquid fat dissolve in: hexane
  3. functions of lipids: energy storage, form wax for protection, cell membrane,and vitamins
  1. where are odd number fatty acid chains found: in nature and most organismshave a process for digesting them
  2. consist of a long carbon chain containing a carboxylic acid functionalgroup at one end: fatty acid
  3. what does it mean to be a saturated fatty acid: no double bonds present
  4. what does it mean to be unsaturated: there one or more double bonds present
  5. definition of polyunsaturated fatty acid: contains 2 or more double bonds ina single fatty acid chain
  6. why do PUFA's require less energy to digest: they contain fewer carbon-car-bon single bonds to break and are considered good fats
  7. function of triaglycerols: store energy and provide insulation by trapping heat
  8. why are triglycerides good molecules for storage: dense storages of energybecause they have long chains of carbon and hydrogen in the form of fatty acid chains. large deposits of these molecules allow camels to store water in the form offat and bears to hibernate
  9. structure of triaglycerol: glycerol molecule serves as the backbone with threefatty acids attached via an acyl linkage to the glycerol to make a complete molecule
  10. what kind of bond is found in triaglycerol in the polar head: ester bond
  1. proteins that go all the way through to transport molecules: integral proteins
  1. FepA membrane protein function: transports vitamin B12 and iron acrossbilayer with beta barrel motif structure
  2. loosely associated with the membrane and can be separated chemicallyfrom the membrane found on either the inner layer of interior or exterior surface: peripheral protein (surface protein)
  3. fluid mosaic model characteristics: - complex mixture of molecules -lipids, proteins, carbs -each layer has unique composition -dynamic movement of molecules -noncovalent interactions
  4. form globe like protein also called integral protein: globular protein
  5. Glycerol contains how many carbon atoms?: 3
  6. Which of the following are derived from or made from fatty acids?: Spin-golipids and triaglycerols
  7. Triacylglycerols are made from:: A glycerol backbone and three fatty acids
  8. Which of the following refers to carboxylic acids that are structural com-ponents of lipids?: fatty acids
  1. is used as the backbone molecule in the formation of storagefats.: glycerol 54. Which types of membrane lipids determine the blood type of humans?: - sphingolipids
  1. are found in high concentrations in the membranes of the myelinsheath.: sphingolipids
  2. In a sphingolipid, the fatty acids are attached at carbon-2 by this type of linkage?: amide linkeage
  3. Peripheral membrane proteins: Are associated with the inside or outsidesurface of the membrane
  4. Which statement best describes a general feature of membranes?: Individ-ual lipid molecules are free to move in the membrane
  5. Which vitamin is critical for blood coagulation?: Vitamin K
  6. is not found in membrane bilayers.: triaglycerols
  7. What molecule that protects against UV rays is found both in bacteria andin the eyes?: Caratonoids
  8. What molecule has four fused rings in its structure?: cholesterol
  9. In triacylglycerols, fatty acids are attached to glycerol via a/an linkage.: acyl
  10. A lipid is .: A molecule that dissolves in a non-polar solvent
  11. (Short answer) A particular fatty acid molecule has two bends, or kinks, in its

proteins in a rich mixture to help the cell survive.

  1. which contains two or more double bonds in a single fatty acid chain: PUFA

71. describes this mixture of lipids and protein from the membrane bilayer.: - fluid mosaic model