Lipids - Biochemistry

Course

Biochemistry

Study Pack

Set 1: The Facts of Life: Chemistry Is the Logic of Biological Phenomena

Set 2: Water: the Medium of Life

Set 3: Thermodynamics of Biological Systems

Set 4: Amino Acids and the Peptide Bond

Set 5: Proteins: Their Primary Structure and Biological Functions

Set 6: Proteins: Secondary, Tertiary, and Quaternary Structure

Set 7: Carbohydrates and the Glycoconjugates of Cell Surfaces

Set 8: Lipids

Set 9: Membranes and Membrane Transport

Set 10: Nucleotides and Nucleic Acids

Set 11: Structure of Nucleic Acids

Set 12: Recombinant Dna, Cloning, Chimeric Genes, and Synthetic Biology

Set 13: Enzymeskinetics and Specificity

Set 14: Mechanisms of Enzyme Action

Set 15: Enzyme Regulation

Set 16: Molecular Motors

Set 17: Metabolism: an Overview

Set 18: Glycolysis

Set 19: The Tricarboxylic Acid Cycle

Set 20: Electron Transport and Oxidative Phosphorylation

Set 21: Photosynthesis

Set 22: Gluconeogenesis, Glycogen Metabolism, and the Pentose Phosphate Pathway

Set 23: Fatty Acid Catabolism

Set 24: Lipid Biosynthesis

Set 25: Nitrogen Acquisition and Amino Acid Metabolism

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Metabolic Integration and Organ Specialization

Set 28: Dna Metabolism: Replication, Recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Completing the Protein Life Cycle: Folding, Processing, and Degradation

Set 32: The Reception and Transmission of Extracellular Information

Set 8 Lipids

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Set 8 Lipids

Question 1

(Multiple Choice)

Free

In most cases, glycerol phosphatides have ____ fatty acid at position 1 and ____ fatty acid at position 2 of the glycerol.

A) a saturated; a saturated
B) a saturated; an unsaturated
C) an unsaturated; a saturated
D) an unsaturated; an unsaturated
E) none are true.

Answer

Question 2

(Multiple Choice)

Free

Of the following fatty acids, which would have physical and physiological properties most similar to elaidic acid, pictured below?

A) oleic acid (18:1Δ⁹)
B) lauric acid (12:0)
C) linoleic acid (18:2Δ^9,12)
D) stearic acid (18:0)
E) arachidonic acid (20:4Δ^5,8,11,14)

Answer

Question 3

(Multiple Choice)

Free

Lipids are the biomolecules of choice for storage of metabolic energy because they:

A) are soluble in water.
B) yield a large amount of energy upon oxidation.
C) are highly oxidized.
D) are easily hydrolyzed.
E) are amphipathic.

Answer