Thermodynamics Of Biological Systems - Biochemistry | Biology+

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

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 9: Lipid Biosynthesis

Set 10: Membranes and Membrane Transport

Set 11: The Reception and Transmission of Extracellular Information

Set 12: Enzymes Kinetics and Specificity

Set 13: Mechanisms of Enzyme Action

Set 14: Enzyme Regulation

Set 15: Molecular Motors

Set 16: Nutrition and the Organization of Metabolism

Set 17: Glycolysis

Set 18: The Tricarboxylic Acid Cycle

Set 19: Electron Transport and Oxidative Phosphorylation

Set 20: Photosynthesis

Set 21: Gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Set 22: Fatty Acid Catabolism

Set 23: Nitrogen Acquisition and Amino Acid Metabolism

Set 24: Nucleotides and Nucleic Acids

Set 25: Structure of Nucleic Acids

Set 26: Synthesis and Degradation of Nucleotides

Set 27: Recombinant Dna: Cloning and Creation of Chimeric Genes

Set 28: DNA Metabolism: Replication, recombination, and Repair

Set 29: Transcription and the Regulation of Gene Expression

Set 30: Protein Synthesis

Set 31: Post-Transcriptional Regulation of Gene Expression

Set 32: Completing the Protein Life Cycle: Folding, processing, and Degradation

Set 33: Metabolic Integration and Organ Specialization

Set 3 Thermodynamics Of Biological Systems

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Set 3 Thermodynamics Of Biological Systems

(Multiple Choice)

Free

Which equation defines a system at equilibrium?

A)∆G > 0
B)∆G° = ∆G
C)∆G = 0
D)∆G° = 0
E)∆G = RT ln ([products]/[reactants])

Answer

(Multiple Choice)

Free

Given the following reaction,what can be said about the equilibrium concentrations of the components of the reaction? (Do not assume that concentrations began at standard conditions.)
Pyruvate + NADH + H?

Given the following reaction,what can be said about the equilibrium concentrations of the components of the reaction? (Do not assume that concentrations began at standard conditions.) Pyruvate + NADH + H? lactate + NAD? ?G°' = -25.2 kJ/mol A)[pyruvate][NADH] > [lactate][NAD?] [pyruvate] < [NAD?] B)[pyruvate][NADH] < [lactate][NAD?] C)[NADH] > [lactate]

lactate + NAD? ?G°' = -25.2 kJ/mol

A)[pyruvate][NADH] > [lactate][NAD?] [pyruvate] < [NAD?]
B)[pyruvate][NADH] < [lactate][NAD?]
C)[NADH] > [lactate]

Answer

(Multiple Choice)

Free

Which thermodynamic property of a biochemical process is measured by calorimetry?

A)heat absorbed or given off,?H
B)overall change in ?G°
C)entropy change,?S
D)volume change,?V

Answer