Exam 5: Proteins: Their Primary Structure and Biological Functions

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Using a cation-exchange resin,a mixture of 4 amino acids is separated using an elution gradient of increasing NaCl solution.What would be the correct elution sequence?

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Question 1

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What type of bond is formed when 2 cysteine residues react in proteins?

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Question 2

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Which of these atoms would be found in the amide plane of the peptide backbone?

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Question 3

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Which of the following techniques involves using a strongly acidic,polystyrene resin,chromatography column?

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Question 4

Which of the following molecules specifically hydrolyzes only those peptide bonds in which the carboxyl function is contributed by an arginine or a lysine residue?

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Question 5

Which of the following protein terms describes collagen?

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Question 6

Various mutations can occur in the hemoglobin molecule resulting in the generation of very diverse mutants.What does the generation of this diversity indicate?

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Question 7

Which of the following does NOT apply to the amino acid sequence of proteins?

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Question 8

When sequencing a protein,which of the following is an advantage of treating separate samples of the protein with 2 or more enzymes?

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Question 9

Which of the following characteristics about the peptide Val-Asp-Trp-Asn-Ser is correct?

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Question 10

Which of the following terms is used to characterize proteins destined for an extracellular location?

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Question 11

Which of the following amino acid residues is destroyed by acid hydrolysis and must be estimated by other means?

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Question 12

Which of the following is a characteristic of all molecules of a given protein?

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Question 13

Which of the following protein terms describes the lac repressor?

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Question 14

What is the following terms refers to a protein with 2 different polypeptide chains?

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Question 15

Which of the following is determined by amino acid analysis of a protein?

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Question 16

What is the repeated sequence in the peptide backbone of a protein given that C_α,N and Cₒ represent the a-carbon,the amide nitrogen,and the carbonyl carbon,respectively?

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Question 17

Which of the following proteases can be used to identify the C-terminal residue of a polypeptide?

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Question 18

Which of the following proteins has a significant degree of sequence similarity and tertiary structure with hen egg white lysozyme?

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Question 19

Which of the following is a property common to globular proteins?

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Question 20

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Exam 5: Proteins: Their Primary Structure and Biological Functions

Using a cation-exchange resin,a mixture of 4 amino acids is separated using an elution gradient of increasing NaCl solution.What would be the correct elution sequence?

What type of bond is formed when 2 cysteine residues react in proteins?

Which of these atoms would be found in the amide plane of the peptide backbone?

Which of the following techniques involves using a strongly acidic,polystyrene resin,chromatography column?

Which of the following molecules specifically hydrolyzes only those peptide bonds in which the carboxyl function is contributed by an arginine or a lysine residue?

Which of the following protein terms describes collagen?

Various mutations can occur in the hemoglobin molecule resulting in the generation of very diverse mutants.What does the generation of this diversity indicate?

Which of the following does NOT apply to the amino acid sequence of proteins?

When sequencing a protein,which of the following is an advantage of treating separate samples of the protein with 2 or more enzymes?

Which of the following characteristics about the peptide Val-Asp-Trp-Asn-Ser is correct?

Which of the following terms is used to characterize proteins destined for an extracellular location?

Which of the following amino acid residues is destroyed by acid hydrolysis and must be estimated by other means?

Which of the following is a characteristic of all molecules of a given protein?

Which of the following protein terms describes the lac repressor?

What is the following terms refers to a protein with 2 different polypeptide chains?

Which of the following is determined by amino acid analysis of a protein?

What is the repeated sequence in the peptide backbone of a protein given that Cα,N and Cₒ represent the a-carbon,the amide nitrogen,and the carbonyl carbon,respectively?

Which of the following proteases can be used to identify the C-terminal residue of a polypeptide?

Which of the following proteins has a significant degree of sequence similarity and tertiary structure with hen egg white lysozyme?

Which of the following is a property common to globular proteins?

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

Water: the Medium of Life

Thermodynamics of Biological Systems

Amino Acids

Proteins: Secondary, tertiary, and Quaternary Structure

Carbohydrates and the Glycoconjugates of Cell Surfaces

Lipids

Lipid Biosynthesis

Membranes and Membrane Transport

The Reception and Transmission of Extracellular Information

Enzymes Kinetics and Specificity

Mechanisms of Enzyme Action

Enzyme Regulation

Molecular Motors

Nutrition and the Organization of Metabolism

Glycolysis

The Tricarboxylic Acid Cycle

Electron Transport and Oxidative Phosphorylation

Photosynthesis

Gluconeogenesis, glycogen Metabolism, and the Pentose Phosphate Pathway

Fatty Acid Catabolism

Nitrogen Acquisition and Amino Acid Metabolism

Nucleotides and Nucleic Acids

Structure of Nucleic Acids

Synthesis and Degradation of Nucleotides

Recombinant Dna: Cloning and Creation of Chimeric Genes

DNA Metabolism: Replication, recombination, and Repair

Transcription and the Regulation of Gene Expression

Protein Synthesis

Post-Transcriptional Regulation of Gene Expression

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

Metabolic Integration and Organ Specialization

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What is the repeated sequence in the peptide backbone of a protein given that C_α,N and Cₒ represent the a-carbon,the amide nitrogen,and the carbonyl carbon,respectively?