Question 1

Which of the following is true regarding a spontaneous reaction?

Accepted Answer

A) $\Delta$H must always be negative 
B) the sign of $\Delta$S does not matter since the entropy value is relatively small 
C) if both $\Delta$H and $\Delta$S are positive,T$\Delta$S must be larger than $\Delta$H 
D) if both $\Delta$H and $\Delta$S are negative,the reaction will only proceed at high temperature 
E) the only scenario that always produces a spontaneous reaction,regardless of temperature,is when $\Delta$H is positive and $\Delta$S is negative 
A) $\Delta$H must always be negative 
B) the sign of $\Delta$S does not matter since the entropy value is relatively small 
C) if both $\Delta$H and $\Delta$S are positive,T$\Delta$S must be larger than $\Delta$H 
D) if both $\Delta$H and $\Delta$S are negative,the reaction will only proceed at high temperature 
E) the only scenario that always produces a spontaneous reaction,regardless of temperature,is when $\Delta$H is positive and $\Delta$S is negative

Question 2

Which of the following conditions will produce a non-spontaneous reaction?

Accepted Answer

A) positive $\Delta$H,positive $\Delta$S,low temperature 
B) negative $\Delta$H,positive $\Delta$S,high temperature 
C) negative $\Delta$H,negative $\Delta$S,low temperature 
D) negative $\Delta$H,positive $\Delta$S,high temperature. 
E) positive $\Delta$H,positive $\Delta$S,high temperature 
A) positive $\Delta$H,positive $\Delta$S,low temperature 
B) negative $\Delta$H,positive $\Delta$S,high temperature 
C) negative $\Delta$H,negative $\Delta$S,low temperature 
D) negative $\Delta$H,positive $\Delta$S,high temperature. 
E) positive $\Delta$H,positive $\Delta$S,high temperature

Question 3

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

Accepted Answer

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

Question 4

In the study of thermodynamics,which of the following could be examined as a system?

Accepted Answer

A) an isolated mitochondria 
B) a single muscle cell 
C) an entire organism 
D) the entire planet Earth 
E) all of the above 
A) an isolated mitochondria 
B) a single muscle cell 
C) an entire organism 
D) the entire planet Earth 
E) all of the above

Which of the following is true regarding a spontaneous reaction?

Which of the following conditions will produce a non-spontaneous reaction?

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

In the study of thermodynamics,which of the following could be examined as a system?

The Scope of Biochemistry

The Matrix of Life: Weak Interactions in an Aqueous Environment

Nucleic Acids

Introduction to Proteins: the Primary Level of Protein Structure

The Three-Dimensional Structure of Proteins

Protein Function and Evolution

Contractile Proteins and Molecular Motors

Carbohydrates: Sugars,saccharides,glycans

Lipids,membranes and Cellular Transport

Enzymes: Biological Catalysts

Chemical Logic of Metabolism

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

Citric Acid Cycle and Glyoxylate Cycle

Electron Transport, oxidative Phosphorylation, and Oxygen Metabolism

Photosynthesis

Lipid Metabolism I: Fatty Acids,triacylglycerols,and Lipoproteins

Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

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

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

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

Nucleotide Metabolism

Mechanisms of Signal Transduction

Genes,genomes and Chromosomes

Dna Replication

Dna Restructuring: Repair,recombination,rearrangement,amplification

Information Readout: Transcription and Post-Transcriptional Processing

Information Decoding: Translation and Post-Translational Protein Processing

Regulation of Gene Expression

Filters

Exam 3: The Energetics of Life

Which of the following is true regarding a spontaneous reaction?

Which of the following conditions will produce a non-spontaneous reaction?

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

In the study of thermodynamics,which of the following could be examined as a system?

The Scope of Biochemistry

The Matrix of Life: Weak Interactions in an Aqueous Environment

Nucleic Acids

Introduction to Proteins: the Primary Level of Protein Structure

The Three-Dimensional Structure of Proteins

Protein Function and Evolution

Contractile Proteins and Molecular Motors

Carbohydrates: Sugars,saccharides,glycans

Lipids,membranes and Cellular Transport

Enzymes: Biological Catalysts

Chemical Logic of Metabolism

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

Citric Acid Cycle and Glyoxylate Cycle

Electron Transport, oxidative Phosphorylation, and Oxygen Metabolism

Photosynthesis

Lipid Metabolism I: Fatty Acids,triacylglycerols,and Lipoproteins

Interorgan and Intracellular Coordination of Energy Metabolism in Vertebrates

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

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

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

Nucleotide Metabolism

Mechanisms of Signal Transduction

Genes,genomes and Chromosomes

Dna Replication

Dna Restructuring: Repair,recombination,rearrangement,amplification

Information Readout: Transcription and Post-Transcriptional Processing

Information Decoding: Translation and Post-Translational Protein Processing

Regulation of Gene Expression

Filters