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Questions and Answers
Which coenzyme is required for enzyme-catalyzed transamination between an amino acid and an alpha keto acid?
Which coenzyme is required for enzyme-catalyzed transamination between an amino acid and an alpha keto acid?
- Pyridoxal phosphate (correct)
- Folic acid
- NADH
- Coenzyme A
Which amino acid pairs are exclusively ketogenic?
Which amino acid pairs are exclusively ketogenic?
- Tryptophan and tyrosine
- Leucine and tryptophan
- Lysine and phenylalanine
- Leucine and lysine (correct)
What is the name of the covalent bond that links nucleotides in a nucleic acid?
What is the name of the covalent bond that links nucleotides in a nucleic acid?
- Peptide
- Glycosidic
- Hydrogen
- Phosphodiester (correct)
Which of these causes sickle cell anemia?
Which of these causes sickle cell anemia?
What process greatly improves the fidelity of DNA polymerases delta (δ) and epsilon (ε), but not DNA polymerase alpha (α)?
What process greatly improves the fidelity of DNA polymerases delta (δ) and epsilon (ε), but not DNA polymerase alpha (α)?
Why do all individuals contain DNA molecules that were synthesized by their ancestors in addition to the DNA synthesized by that individual?
Why do all individuals contain DNA molecules that were synthesized by their ancestors in addition to the DNA synthesized by that individual?
What is the enzymatic process that makes a completely new copy of the DNA genome prior to each cell division called?
What is the enzymatic process that makes a completely new copy of the DNA genome prior to each cell division called?
In eukaryotes, synthesis of 3 out of the 4 ribosomal RNAs is catalyzed by which RNA polymerase?
In eukaryotes, synthesis of 3 out of the 4 ribosomal RNAs is catalyzed by which RNA polymerase?
What molecule attaches to the CCA sequence at the 3' end of tRNA?
What molecule attaches to the CCA sequence at the 3' end of tRNA?
Which of these selectively inhibits eukaryotic RNA polymerase II?
Which of these selectively inhibits eukaryotic RNA polymerase II?
In the CRISPR-Cas 9 method for gene editing, the endonuclease is guided by the target:
In the CRISPR-Cas 9 method for gene editing, the endonuclease is guided by the target:
What is needed for the post-translational modification of collagen and for the synthesis of many other molecules including carnitine?
What is needed for the post-translational modification of collagen and for the synthesis of many other molecules including carnitine?
Which of these protein factors facilitate the initiation of transcription in prokaryotes?
Which of these protein factors facilitate the initiation of transcription in prokaryotes?
What is the role of ubiquitin ligase in biochemical processes?
What is the role of ubiquitin ligase in biochemical processes?
Which of the following is an example of a plasma protein involved in blood clotting?
Which of the following is an example of a plasma protein involved in blood clotting?
What is the main function of telomerase in biochemical processes?
What is the main function of telomerase in biochemical processes?
Which biochemical process involves the synthesis of nucleotides?
Which biochemical process involves the synthesis of nucleotides?
What is the impact of mutations on splicing?
What is the impact of mutations on splicing?
Which of the following is an example of a genetic mutation affecting human health?
Which of the following is an example of a genetic mutation affecting human health?
What is the specific function of histones in biochemical processes?
What is the specific function of histones in biochemical processes?
Which enzyme is involved in the synthesis of new DNA strands during DNA replication?
Which enzyme is involved in the synthesis of new DNA strands during DNA replication?
What is the impact of telomere maintenance on biological processes?
What is the impact of telomere maintenance on biological processes?
Which biochemical process involves the urea cycle?
Which biochemical process involves the urea cycle?
What is the application of telomerase inhibitors in the context of human health?
What is the application of telomerase inhibitors in the context of human health?
Which biochemical process involves the use of dideoxyribonucleotides?
Which biochemical process involves the use of dideoxyribonucleotides?
Which enzyme is involved in the synthesis of new DNA strands during DNA replication?
Which enzyme is involved in the synthesis of new DNA strands during DNA replication?
What is the role of ubiquitin ligase in biochemical processes?
What is the role of ubiquitin ligase in biochemical processes?
What is the specific function of histones in biochemical processes?
What is the specific function of histones in biochemical processes?
Which of the following is an example of a plasma protein involved in blood clotting?
Which of the following is an example of a plasma protein involved in blood clotting?
What is the application of telomerase inhibitors in the context of human health?
What is the application of telomerase inhibitors in the context of human health?
What is the enzymatic process that makes a completely new copy of the DNA genome prior to each cell division called?
What is the enzymatic process that makes a completely new copy of the DNA genome prior to each cell division called?
What is the impact of mutations on splicing?
What is the impact of mutations on splicing?
Which biochemical process involves the synthesis of nucleotides?
Which biochemical process involves the synthesis of nucleotides?
What is the main function of telomerase in biochemical processes?
What is the main function of telomerase in biochemical processes?
Which of these selectively inhibits eukaryotic RNA polymerase II?
Which of these selectively inhibits eukaryotic RNA polymerase II?
Which enzyme is deficient in the 9-year-old girl with mild mental retardation and elevated levels of leucine, isoleucine, and valine?
Which enzyme is deficient in the 9-year-old girl with mild mental retardation and elevated levels of leucine, isoleucine, and valine?
Which amino acid deficiency in the protein of the island vegetation is more likely to cause negative nitrogen balance in a man marooned on a desert island?
Which amino acid deficiency in the protein of the island vegetation is more likely to cause negative nitrogen balance in a man marooned on a desert island?
Which coenzyme is required for enzyme-catalyzed transamination between an amino acid and an alpha keto acid?
Which coenzyme is required for enzyme-catalyzed transamination between an amino acid and an alpha keto acid?
Sulfonamides have been useful anti-bacterial agents because they inhibit the synthesis of:
Sulfonamides have been useful anti-bacterial agents because they inhibit the synthesis of:
Which enzymatic activity is usually deficient in phenylketonuria?
Which enzymatic activity is usually deficient in phenylketonuria?
Which of the following amino acid pairs are exclusively ketogenic?
Which of the following amino acid pairs are exclusively ketogenic?
Which amino acid is exclusively glucogenic and dietary non-essential?
Which amino acid is exclusively glucogenic and dietary non-essential?
Which enzyme catalyzes a reaction that yields an alpha keto acid, NADH, and ammonia?
Which enzyme catalyzes a reaction that yields an alpha keto acid, NADH, and ammonia?
Which enzyme is involved in the rate-determining step of the urea cycle?
Which enzyme is involved in the rate-determining step of the urea cycle?
Which of the following is a coenzyme required for the enzymatic activity that is usually deficient in phenylketonuria?
Which of the following is a coenzyme required for the enzymatic activity that is usually deficient in phenylketonuria?
Which enzyme catalyzes the attachment of amino acids to the CCA sequence at the 3' end of tRNAs?
Which enzyme catalyzes the attachment of amino acids to the CCA sequence at the 3' end of tRNAs?
What molecule attaches to the CCA sequence at the 3' end of tRNA?
What molecule attaches to the CCA sequence at the 3' end of tRNA?
What is the name of the covalent bond that links nucleotides in a nucleic acid?
What is the name of the covalent bond that links nucleotides in a nucleic acid?
What process greatly improves the fidelity of DNA polymerases delta (δ) and epsilon (ε), but not DNA polymerase alpha (α)?
What process greatly improves the fidelity of DNA polymerases delta (δ) and epsilon (ε), but not DNA polymerase alpha (α)?
Which of these components are required for RNA synthesis?
Which of these components are required for RNA synthesis?
Which of these directly enhances the initiation of transcription?
Which of these directly enhances the initiation of transcription?
Which of these essential sugars forms a ring involving 4 carbon atoms and one oxygen atom?
Which of these essential sugars forms a ring involving 4 carbon atoms and one oxygen atom?
Which of these pyrimidines is uniquely found in RNA?
Which of these pyrimidines is uniquely found in RNA?
Which of these selectively inhibits eukaryotic RNA polymerase II?
Which of these selectively inhibits eukaryotic RNA polymerase II?
In the CRISPR-Cas 9 method for gene editing, the endonuclease is guided by the target:
In the CRISPR-Cas 9 method for gene editing, the endonuclease is guided by the target:
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Study Notes
Biochemistry Practice Quiz Summaries
- The text consists of three practice quizzes covering topics such as protein turnover, plasma proteins, and nucleotide synthesis.
- The quizzes cover various biochemical processes including protein modification, blood clotting, and DNA synthesis.
- The quizzes include questions on specific enzymes and their functions, such as glutamate dehydrogenase, heme oxygenase, and thymidylate synthase.
- Important concepts such as the role of ubiquitin ligase in protein turnover, the action of plasma proteins in blood clotting, and the enzymatic processes involved in nucleotide synthesis are tested.
- The quizzes also cover genetic mutations and repair mechanisms, including the impact of mutations on splicing, nucleotide excision repair, and telomere maintenance.
- The quizzes test understanding of specific biochemical pathways, such as the urea cycle, heme biosynthesis, and DNA replication.
- Various biochemical terms and processes are mentioned, including polyubiquitination, ATP-dependent reactions, and the role of different enzymes in specific pathways.
- The text includes questions on the roles of specific proteins and enzymes in biochemical processes, such as thrombin, fibrinogen, and DNA polymerases.
- The quizzes cover the specific functions and mechanisms of various biochemical components, such as telomerase, histones, and nucleoside excision repair.
- The questions also address the impact of biochemical processes on human health, including diseases like Kwashiorkor, sickle cell anemia, and cancer.
- The quizzes cover key biochemical concepts and their applications, including the role of telomerase inhibitors as anti-cancer drugs and the use of dideoxyribonucleotides in DNA sequencing.
- The text provides a comprehensive review of biochemical knowledge and its relevance to various biological processes, genetic mutations, and disease states.
Biochemistry Practice Quiz Summaries
- The text consists of three practice quizzes covering topics such as protein turnover, plasma proteins, and nucleotide synthesis.
- The quizzes cover various biochemical processes including protein modification, blood clotting, and DNA synthesis.
- The quizzes include questions on specific enzymes and their functions, such as glutamate dehydrogenase, heme oxygenase, and thymidylate synthase.
- Important concepts such as the role of ubiquitin ligase in protein turnover, the action of plasma proteins in blood clotting, and the enzymatic processes involved in nucleotide synthesis are tested.
- The quizzes also cover genetic mutations and repair mechanisms, including the impact of mutations on splicing, nucleotide excision repair, and telomere maintenance.
- The quizzes test understanding of specific biochemical pathways, such as the urea cycle, heme biosynthesis, and DNA replication.
- Various biochemical terms and processes are mentioned, including polyubiquitination, ATP-dependent reactions, and the role of different enzymes in specific pathways.
- The text includes questions on the roles of specific proteins and enzymes in biochemical processes, such as thrombin, fibrinogen, and DNA polymerases.
- The quizzes cover the specific functions and mechanisms of various biochemical components, such as telomerase, histones, and nucleoside excision repair.
- The questions also address the impact of biochemical processes on human health, including diseases like Kwashiorkor, sickle cell anemia, and cancer.
- The quizzes cover key biochemical concepts and their applications, including the role of telomerase inhibitors as anti-cancer drugs and the use of dideoxyribonucleotides in DNA sequencing.
- The text provides a comprehensive review of biochemical knowledge and its relevance to various biological processes, genetic mutations, and disease states.
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