The Energetics Of Life - Biochemistry | Biology+

Course

Biochemistry

Study Pack

Set 1: The Scope of Biochemistry

Set 2: The Matrix of Life: Weak Interactions in an Aqueous Environment

Set 3: The Energetics of Life

Set 4: Nucleic Acids

Set 5: Introduction to Proteins: the Primary Level of Protein Structure

Set 6: The Three-Dimensional Structure of Proteins

Set 7: Protein Function and Evolution

Set 8: Contractile Proteins and Molecular Motors

Set 9: Carbohydrates: Sugars,saccharides,glycans

Set 10: Lipids,membranes and Cellular Transport

Set 11: Enzymes: Biological Catalysts

Set 12: Chemical Logic of Metabolism

Set 13: Carbohydrate Metabolism: Glycolysis, gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Set 14: Citric Acid Cycle and Glyoxylate Cycle

Set 15: Electron Transport, oxidative Phosphorylation, and Oxygen Metabolism

Set 16: Photosynthesis

Set 17: Lipid Metabolism I: Fatty Acids,triacylglycerols,and Lipoproteins

Set 18: Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

Set 19: Lipid Metabolism Ii: Membrane Lipids, steroids, isoprenoids, and Eicosanoids

Set 20: Metabolism of Nitrogenous Compounds I: Principles of Biosynthesis, utilization, and Turnover

Set 21: Metabolism of Nitogenous Compounds Ii: Amino Acids, porphyrins, and Neurotransmitters

Set 22: Nucleotide Metabolism

Set 23: Mechanisms of Signal Transduction

Set 24: Genes,genomes and Chromosomes

Set 25: Dna Replication

Set 26: Dna Restructuring: Repair,recombination,rearrangement,amplification

Set 27: Information Readout: Transcription and Post-Transcriptional Processing

Set 28: Information Decoding: Translation and Post-Translational Protein Processing

Set 29: Regulation of Gene Expression

Set 3 The Energetics Of Life

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Set 3 The Energetics Of Life

(Multiple Choice)

Free

The conversion of glucose-6-phosphate to fructose-6-phosphate has a

\Delta

G°´ of +1.7 kJ/mol but within a typical cell,the

\Delta

G is -2.9 kJ/mol.What can be said about the value of K_eq and Q?

A)under standard conditions,K_eq > 1;in the cell,Q < 1
B)under standard conditions,K_eq < 1;in the cell,Q > 1
C)under standard conditions,K_eq > 1;in the cell,Q > 1
D)under standard conditions,K_eq < 1;in the cell,Q < 1
E)none of the above

Answer

(Multiple Choice)

Free

Which of the following reactions would be a non-spontaneous process?

A)complete oxidation of glucose to carbon dioxide and water
B)formation of phosphoenolpyruvate from pyruvate and P_i
C)hydrolysis of ATP to ADP and P_i
D)the coupled reaction of phosphoenolpyruvate + ADP

\to

pyruvate + ATP
E)all of the above

Answer

(Multiple Choice)

Free

The biochemical standard state differs from standard state conditions in what way?

A)pH = 7.0
B)T = 298.15 K
C)activity of water = 0
D)ionic strength = 1
E)all of the above

Answer