DP Biology Questionbank
Topic 7: Nucleic acids
Description
Overview of the essential ideas for this topic.
7.1: The structure of DNA is ideally suited to its function.
7.2: Information stored as a code in DNA is copied onto mRNA.
7.3: Information transferred from DNA to mRNA is translated into an amino acid sequence.
Directly related questions
- 15M.2.HL.TZ2.5a: Outline the structure and functions of nucleosomes.
- 13M.1.HL.TZ2.25: How does DNA replicate? A. The deoxyribose of a free nucleotide is linked to the phosphate of...
- 13M.1.HL.TZ2.26: What are introns? A. Sequences of nucleotides that are removed to form mature RNA in...
- 11M.1.HL.TZ1.27: What are Okazaki fragments? A. Short lengths of RNA primase attached to the DNA during...
- 11M.2.HL.TZ2.2b: Distinguish between the sense and antisense strands of DNA during transcription.
- 09M.2.HL.TZ1.6b: Explain the process of DNA replication.
- 09M.2.HL.TZ2.2b: Outline the structure of nucleosomes.
- 10M.2.HL.TZ1.6c: Translation occurs in living cells. Explain how translation is carried out, from the initiation...
- 10M.2.HL.TZ2.5b: Distinguish between fibrous and globular proteins with reference to one example of each protein...
- 10M.1.HL.TZ2.26: What happens during the formation of Okazaki fragments? A. DNA polymerase III adds nucleotides...
- 12N.1.HL.TZ0.24: The diagram is a three-dimensional molecular model of a protein. Which bonds stabilize the...
- 12N.1.HL.TZ0.27: The antisense strand of a DNA molecule has the sequence TACCCGATC. What would be the resulting...
- 10N.2.HL.TZ0.1e(ii): Compare the results between the plants treated with short-day light and the plants treated with...
- 10N.2.HL.TZ0.4b: Outline the structure of ribosomes.
- 09N.3.SL.TZ0.8b: Distinguish between the secondary structure and tertiary structure of proteins.
- 15N.1.HL.TZ0.25: What happens during transcription in eukaryotes? A. Polysomes move. B. Nucleosomes are...
- 16N.1.SL.TZ0.15: Which is a valid comparison between prokaryotic and eukaryotic DNA?
- 17M.1.HL.TZ2.9: Scientists have heated a solution containing the protein albumin and measured its relative alpha...
- 17N.1.HL.TZ0.26: Some regions of DNA do not code for the production of proteins. What are these regions of DNA...
- 15M.3.SL.TZ2.8a: Outline primary and quaternary protein structures. Primary protein structure: Quaternary...
- 12M.2.HL.TZ1.2c (i): Label the sense and antisense strands.
- 12M.1.HL.TZ2.25: What is a nucleosome? A. A region in a prokaryotic cell where DNA is found B. A DNA molecule...
- 12M.3.SL.TZ2.8a: Define quaternary structure in proteins.
- 10M.2.HL.TZ2.5a: Outline the structure of a ribosome.
- 10M.1.HL.TZ1.26: What is the reason for Okazaki fragments being formed during DNA replication? A. To enable...
- 10M.1.HL.TZ2.25: Which of the following forms the nucleosome? A. DNA and histone molecules B. DNA only C. RNA and...
- 10N.2.HL.TZ0.1e(i): State the overall effect of overexpression of the OsGI gene in plants treated with short-day light.
- 10N.2.HL.TZ0.1g: Evaluate, using all the data, how modified varieties of rice could be used to overcome food...
- 10N.3.SL.TZ0.9: Outline the differences between these two proteins.
- 09N.2.HL.TZ0.3d: Explain the role of transfer RNA (tRNA) in the process of translation.
- 17M.1.HL.TZ2.11: This image is taken from a visualization of a eukaryotic ribosome. The arrows show the direction...
- 17N.3.HL.TZ0.03a: The Hershey and Chase experiment supported DNA as the hereditary material. Describe the experiment.
- 15M.1.HL.TZ1.25: What is a feature of transcription?A. Both strands of a DNA molecule act as a template for...
- 15M.2.HL.TZ2.5b: Explain how DNA is used to pass on genetic information to offspring accurately but also produce...
- 12M.2.HL.TZ1.2b: Explain the role of Okazaki fragments in DNA replication.
- 10M.3.SL.TZ2.9a: List three functions of proteins, giving a named example of each.
- 11N.1.HL.TZ0.10: After which process are introns removed? A. Replication B. Transcription C. Translation D....
- 13N.1.HL.TZ0.27: The following diagram shows a ribosome during translation. What describes the specific stage...
- 13N.1.HL.TZ0.29: What makes up eukaryotic RNA immediately after transcription?A. Exons, introns and primersB....
- 16N.1.HL.TZ0.27: What does post-transcriptional modification of eukaryotic mRNA include? I. Introns are removed...
- 17M.1.HL.TZ1.28: Which types of interactions are found in a part of a protein with secondary but not tertiary...
- 17M.2.HL.TZ2.8c: Explain the control of gene expression in eukaryotes.
- 17M.2.HL.TZ2.6b: Outline the roles of the different binding sites for tRNA on ribosomes during translation.
- 17N.2.HL.TZ0.07b: Nitrogen is part of many important substances in living organisms. Distinguish between...
- 17N.1.HL.TZ0.27: Which letter (A–D) indicates where a new nucleotide would attach?
- 17N.1.HL.TZ0.28: Which cell component synthesizes actin and myosin? A. Free ribosomes B. Rough endoplasmic...
- 12M.1.HL.TZ1.25: Which statement applies to transcription in eukaryotic cells but not to prokaryotic cells? A....
- 12M.3.SL.TZ1.9: Explain the significance of polar and non-polar amino acids in proteins.
- 09M.1.HL.TZ1.26: Which best describes the tertiary structure of a protein? A. The interaction of polypeptide...
- 09M.1.HL.TZ2.37: Which of the following chemicals is a component of eukaryotic chromosomes? A. ProteinB....
- 10M.2.HL.TZ1.7c: Explain the methods and aims of DNA profiling.
- 10M.3.SL.TZ2.9b: Explain the significance of polar amino acids and non-polar amino acids in membranes.
- 11N.2.HL.TZ0.7 c: Explain the process of DNA replication.
- 12N.2.HL.TZ0.7c: Outline how the structure of the ribosome is related to its function in translation.
- 13N.2.HL.TZ0.6b: Explain the process of transcription in prokaryotes.
- 16M.1.HL.TZ0.8: The image represents a model of the protein transthyretin. Which level of structure is...
- 16M.1.HL.TZ0.6: Very soon after fertilization, parental epigenetic methylation is reversed in the DNA....
- 16N.2.HL.TZ0.7c: Growth in living organisms includes replication of DNA. Explain DNA replication.
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 17M.1.HL.TZ1.27: The diagram shows how pre-mRNA is processed into mature mRNA. Which structures are indicated by...
- 17M.2.HL.TZ1.2a.i: Nucleosomes help to regulate transcription in eukaryotes. State the components of a nucleosome.
- 15M.2.HL.TZ1.5b: Prior to cell division, chromosomes replicate. Explain the process of DNA replication in...
- 09M.2.HL.TZ2.6c: Explain prokaryotic DNA replication.
- 10M.2.HL.TZ1.7a: Most of the DNA of a human cell is contained in the nucleus. Distinguish between unique and...
- 15N.1.HL.TZ0.26: What determines the primary structure of hemoglobin? A. Genetic information B. Hydrogen...
- 15N.2.HL.TZ0.2b: State what is indicated by the presence of polysomes in a cell.
- 16N.1.HL.TZ0.26: Where does a tRNA-activating enzyme attach the appropriate amino acid to the tRNA molecule?
- 17M.1.HL.TZ2.12: In which process(es) do nucleosomes play a role in eukaryotes? I. tRNA activation II....
- 11M.2.HL.TZ2.2c: Compare the DNA found in prokaryotic cells and eukaryotic cells.
- 12M.2.HL.TZ1.2c (ii): Draw an arrow on the diagram to show where the next nucleotide will be added to the growing mRNA...
- 09M.1.HL.TZ1.24: The antisense strand on the DNA molecule coding for three codons of a gene is TATCGCACG What...
- 10M.1.HL.TZ1.28: What is removed during the formation of mature RNA in eukaryotes? A. Exons B. Introns C. Codons...
- 10M.3.SL.TZ1.10b: Explain the significance of polar and non-polar amino acids.
- 10N.2.HL.TZ0.1d: Using only this data, deduce which gene confers submersion resistance to rice plants.
- 12M.2.HL.TZ1.2a: DNA replication involves a number of enzymes including DNA polymerase. Identify one other enzyme...
- 12M.2.HL.TZ2.6a: Describe the relationship between genes, polypeptides and enzymes.
- 12M.1.HL.TZ2.26: The diagram shows the cross section of a plasma membrane. What is found in area X? A....
- 12M.3.SL.TZ2.8b: Outline the importance of polar and non-polar amino acids in proteins.
- 09M.2.HL.TZ1.1i (ii): Outline how this structure is held together.
- 09M.1.HL.TZ2.25: What is the distinction between highly repetitive DNA sequences and single-copy genes? A. The...
- 12N.2.HL.TZ0.7b: Explain the process of DNA replication.
- 10N.2.HL.TZ0.4c: Explain the process of transcription leading to the formation of mRNA.
- 16N.1.HL.TZ0.28: Variations in the types of antibodies are produced by mRNA splicing. What is an advantage of this...
- 17M.2.HL.TZ1.2a.ii: Nucleosomes help to regulate transcription in eukaryotes. State a chemical modification of a...
- 13M.3.SL.TZ1.8a (i): Identify the level of protein structure of the part labelled X.
- 11M.1.HL.TZ1.28: The sequence of nucleotides in a section of RNA is: GCCAUACGAUCG What is the base sequence of...
- 11M.1.HL.TZ1.26: What does a nucleosome consist of ? A. DNA and histones B. DNA and chromatin C. Chromatin and...
- 09M.2.HL.TZ1.6a: Distinguish between RNA and DNA.
- 09M.2.HL.TZ2.2c: Explain primary structures and tertiary structures of an enzyme.
- 09M.1.HL.TZ1.23: What are the fundamental packaging units of eukaryotic chromosomes? A. Nucleosomes B....
- 10M.2.HL.TZ1.7b: Draw a labelled diagram to show four DNA nucleotides, each with a different base, linked together...
- 10N.2.HL.TZ0.1e(iii): State, giving one reason taken from the data opposite, if unmodified rice is a short-day plant or...
- 09N.1.HL.TZ0.25: The diagram below shows part of a DNA molecule that is being replicated. Where would DNA...
- 16M.2.HL.TZ0.5b: Explain the roles of specific enzymes in prokaryote DNA replication.
Sub sections and their related questions
7.1 DNA structure and replication
- 15M.2.HL.TZ2.5a: Outline the structure and functions of nucleosomes.
- 15M.2.HL.TZ2.5b: Explain how DNA is used to pass on genetic information to offspring accurately but also produce...
- 15M.2.HL.TZ1.5b: Prior to cell division, chromosomes replicate. Explain the process of DNA replication in...
- 13M.1.HL.TZ2.25: How does DNA replicate? A. The deoxyribose of a free nucleotide is linked to the phosphate of...
- 11M.1.HL.TZ1.26: What does a nucleosome consist of ? A. DNA and histones B. DNA and chromatin C. Chromatin and...
- 11M.1.HL.TZ1.27: What are Okazaki fragments? A. Short lengths of RNA primase attached to the DNA during...
- 11M.2.HL.TZ2.2c: Compare the DNA found in prokaryotic cells and eukaryotic cells.
- 12M.2.HL.TZ1.2a: DNA replication involves a number of enzymes including DNA polymerase. Identify one other enzyme...
- 12M.2.HL.TZ1.2b: Explain the role of Okazaki fragments in DNA replication.
- 12M.1.HL.TZ2.25: What is a nucleosome? A. A region in a prokaryotic cell where DNA is found B. A DNA molecule...
- 09M.2.HL.TZ1.6a: Distinguish between RNA and DNA.
- 09M.2.HL.TZ1.6b: Explain the process of DNA replication.
- 09M.2.HL.TZ2.2b: Outline the structure of nucleosomes.
- 09M.2.HL.TZ2.6c: Explain prokaryotic DNA replication.
- 09M.1.HL.TZ1.23: What are the fundamental packaging units of eukaryotic chromosomes? A. Nucleosomes B....
- 09M.1.HL.TZ2.37: Which of the following chemicals is a component of eukaryotic chromosomes? A. ProteinB....
- 10M.2.HL.TZ1.7a: Most of the DNA of a human cell is contained in the nucleus. Distinguish between unique and...
- 10M.2.HL.TZ1.7b: Draw a labelled diagram to show four DNA nucleotides, each with a different base, linked together...
- 10M.2.HL.TZ1.7c: Explain the methods and aims of DNA profiling.
- 10M.1.HL.TZ1.26: What is the reason for Okazaki fragments being formed during DNA replication? A. To enable...
- 10M.1.HL.TZ2.25: Which of the following forms the nucleosome? A. DNA and histone molecules B. DNA only C. RNA and...
- 10M.1.HL.TZ2.26: What happens during the formation of Okazaki fragments? A. DNA polymerase III adds nucleotides...
- 09N.1.HL.TZ0.25: The diagram below shows part of a DNA molecule that is being replicated. Where would DNA...
- 11N.2.HL.TZ0.7 c: Explain the process of DNA replication.
- 11N.1.HL.TZ0.10: After which process are introns removed? A. Replication B. Transcription C. Translation D....
- 12N.2.HL.TZ0.7b: Explain the process of DNA replication.
- 16M.2.HL.TZ0.5b: Explain the roles of specific enzymes in prokaryote DNA replication.
- 16N.1.SL.TZ0.15: Which is a valid comparison between prokaryotic and eukaryotic DNA?
- 16N.2.HL.TZ0.7c: Growth in living organisms includes replication of DNA. Explain DNA replication.
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 17M.1.HL.TZ1.27: The diagram shows how pre-mRNA is processed into mature mRNA. Which structures are indicated by...
- 17M.2.HL.TZ1.2a.i: Nucleosomes help to regulate transcription in eukaryotes. State the components of a nucleosome.
- 17N.3.HL.TZ0.03a: The Hershey and Chase experiment supported DNA as the hereditary material. Describe the experiment.
- 17N.1.HL.TZ0.27: Which letter (A–D) indicates where a new nucleotide would attach?
7.2 Transcription and gene expression
- 15M.1.HL.TZ1.25: What is a feature of transcription?A. Both strands of a DNA molecule act as a template for...
- 15M.2.HL.TZ2.5b: Explain how DNA is used to pass on genetic information to offspring accurately but also produce...
- 15N.1.HL.TZ0.25: What happens during transcription in eukaryotes? A. Polysomes move. B. Nucleosomes are...
- 13M.1.HL.TZ2.26: What are introns? A. Sequences of nucleotides that are removed to form mature RNA in...
- 13N.1.HL.TZ0.29: What makes up eukaryotic RNA immediately after transcription?A. Exons, introns and primersB....
- 13N.2.HL.TZ0.6b: Explain the process of transcription in prokaryotes.
- 11M.1.HL.TZ1.28: The sequence of nucleotides in a section of RNA is: GCCAUACGAUCG What is the base sequence of...
- 11M.2.HL.TZ2.2b: Distinguish between the sense and antisense strands of DNA during transcription.
- 12M.2.HL.TZ2.6a: Describe the relationship between genes, polypeptides and enzymes.
- 12M.1.HL.TZ1.25: Which statement applies to transcription in eukaryotic cells but not to prokaryotic cells? A....
- 09M.2.HL.TZ1.6a: Distinguish between RNA and DNA.
- 09M.1.HL.TZ1.24: The antisense strand on the DNA molecule coding for three codons of a gene is TATCGCACG What...
- 10M.1.HL.TZ1.28: What is removed during the formation of mature RNA in eukaryotes? A. Exons B. Introns C. Codons...
- 12N.1.HL.TZ0.27: The antisense strand of a DNA molecule has the sequence TACCCGATC. What would be the resulting...
- 10N.2.HL.TZ0.1d: Using only this data, deduce which gene confers submersion resistance to rice plants.
- 10N.2.HL.TZ0.1e(i): State the overall effect of overexpression of the OsGI gene in plants treated with short-day light.
- 10N.2.HL.TZ0.1e(ii): Compare the results between the plants treated with short-day light and the plants treated with...
- 10N.2.HL.TZ0.1e(iii): State, giving one reason taken from the data opposite, if unmodified rice is a short-day plant or...
- 10N.2.HL.TZ0.1g: Evaluate, using all the data, how modified varieties of rice could be used to overcome food...
- 10N.2.HL.TZ0.4c: Explain the process of transcription leading to the formation of mRNA.
- 16M.1.HL.TZ0.6: Very soon after fertilization, parental epigenetic methylation is reversed in the DNA....
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 17M.2.HL.TZ1.2a.ii: Nucleosomes help to regulate transcription in eukaryotes. State a chemical modification of a...
- 17M.1.HL.TZ2.12: In which process(es) do nucleosomes play a role in eukaryotes? I. tRNA activation II....
- 17M.2.HL.TZ2.8c: Explain the control of gene expression in eukaryotes.
- 17N.2.HL.TZ0.07b: Nitrogen is part of many important substances in living organisms. Distinguish between...
- 17N.1.HL.TZ0.26: Some regions of DNA do not code for the production of proteins. What are these regions of DNA...
7.3 Translation
- 15M.3.SL.TZ2.8a: Outline primary and quaternary protein structures. Primary protein structure: Quaternary...
- 15N.1.HL.TZ0.26: What determines the primary structure of hemoglobin? A. Genetic information B. Hydrogen...
- 15N.2.HL.TZ0.2b: State what is indicated by the presence of polysomes in a cell.
- 13N.1.HL.TZ0.27: The following diagram shows a ribosome during translation. What describes the specific stage...
- 13M.3.SL.TZ1.8a (i): Identify the level of protein structure of the part labelled X.
- 12M.2.HL.TZ1.2c (i): Label the sense and antisense strands.
- 12M.2.HL.TZ1.2c (ii): Draw an arrow on the diagram to show where the next nucleotide will be added to the growing mRNA...
- 12M.1.HL.TZ2.26: The diagram shows the cross section of a plasma membrane. What is found in area X? A....
- 12M.3.SL.TZ1.9: Explain the significance of polar and non-polar amino acids in proteins.
- 12M.3.SL.TZ2.8a: Define quaternary structure in proteins.
- 12M.3.SL.TZ2.8b: Outline the importance of polar and non-polar amino acids in proteins.
- 09M.2.HL.TZ1.1i (ii): Outline how this structure is held together.
- 09M.2.HL.TZ2.2c: Explain primary structures and tertiary structures of an enzyme.
- 09M.1.HL.TZ1.26: Which best describes the tertiary structure of a protein? A. The interaction of polypeptide...
- 09M.1.HL.TZ2.25: What is the distinction between highly repetitive DNA sequences and single-copy genes? A. The...
- 10M.2.HL.TZ1.6c: Translation occurs in living cells. Explain how translation is carried out, from the initiation...
- 10M.2.HL.TZ2.5a: Outline the structure of a ribosome.
- 10M.2.HL.TZ2.5b: Distinguish between fibrous and globular proteins with reference to one example of each protein...
- 10M.3.SL.TZ1.10b: Explain the significance of polar and non-polar amino acids.
- 10M.3.SL.TZ2.9a: List three functions of proteins, giving a named example of each.
- 10M.3.SL.TZ2.9b: Explain the significance of polar amino acids and non-polar amino acids in membranes.
- 12N.2.HL.TZ0.7c: Outline how the structure of the ribosome is related to its function in translation.
- 12N.1.HL.TZ0.24: The diagram is a three-dimensional molecular model of a protein. Which bonds stabilize the...
- 10N.2.HL.TZ0.4b: Outline the structure of ribosomes.
- 10N.3.SL.TZ0.9: Outline the differences between these two proteins.
- 09N.2.HL.TZ0.3d: Explain the role of transfer RNA (tRNA) in the process of translation.
- 09N.3.SL.TZ0.8b: Distinguish between the secondary structure and tertiary structure of proteins.
- 16M.1.HL.TZ0.8: The image represents a model of the protein transthyretin. Which level of structure is...
- 16N.1.HL.TZ0.26: Where does a tRNA-activating enzyme attach the appropriate amino acid to the tRNA molecule?
- 16N.1.HL.TZ0.27: What does post-transcriptional modification of eukaryotic mRNA include? I. Introns are removed...
- 16N.1.HL.TZ0.28: Variations in the types of antibodies are produced by mRNA splicing. What is an advantage of this...
- 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
- 17M.1.HL.TZ1.28: Which types of interactions are found in a part of a protein with secondary but not tertiary...
- 17M.1.HL.TZ2.9: Scientists have heated a solution containing the protein albumin and measured its relative alpha...
- 17M.1.HL.TZ2.11: This image is taken from a visualization of a eukaryotic ribosome. The arrows show the direction...
- 17M.2.HL.TZ2.6b: Outline the roles of the different binding sites for tRNA on ribosomes during translation.
- 17N.2.HL.TZ0.07b: Nitrogen is part of many important substances in living organisms. Distinguish between...
- 17N.1.HL.TZ0.28: Which cell component synthesizes actin and myosin? A. Free ribosomes B. Rough endoplasmic...