Podcast
Questions and Answers
What determines the cellular concentration of a protein in eukaryotes?
What determines the cellular concentration of a protein in eukaryotes?
- Synthesis of the primary RNA transcript (transcription) (correct)
- Posttranslational modification of proteins
- Protein targeting and transport
- mRNA degradation
Which process is important for normal development and differentiation in eukaryotes?
Which process is important for normal development and differentiation in eukaryotes?
- Posttranscriptional modification of mRNA
- Protein synthesis (translation)
- Chromatin remodeling (correct)
- Protein degradation
What is the role of epigenetic modifications in eukaryotes?
What is the role of epigenetic modifications in eukaryotes?
- They alter chromatin structure (correct)
- They alter DNA accessibility
- They enhance posttranscriptional modification of mRNA
- They increase protein degradation
Which factor provides a barrier against the ready association of transcription factors with specific DNA regions in eukaryotes?
Which factor provides a barrier against the ready association of transcription factors with specific DNA regions in eukaryotes?
What can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
What can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
Which modification reduces the positive charge of histone tails and decreases the binding affinity of histones for DNA?
Which modification reduces the positive charge of histone tails and decreases the binding affinity of histones for DNA?
What is the specific effect of histone deacetylation?
What is the specific effect of histone deacetylation?
Which type of regulatory sequence influences gene expression only on the same chromosome?
Which type of regulatory sequence influences gene expression only on the same chromosome?
What is the role of trans-acting molecules in gene regulation?
What is the role of trans-acting molecules in gene regulation?
What is the evidence that methylation of deoxycytidine residues in DNA may cause changes in chromatin?
What is the evidence that methylation of deoxycytidine residues in DNA may cause changes in chromatin?
Which of the following is true about histone acetylation and deacetylation?
Which of the following is true about histone acetylation and deacetylation?
What is the specific effect of histone methylation?
What is the specific effect of histone methylation?
Which regulatory sequences influence gene expression only on the same chromosome?
Which regulatory sequences influence gene expression only on the same chromosome?
What is the role of trans-acting molecules in gene regulation?
What is the role of trans-acting molecules in gene regulation?
What can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
What can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
Which process is responsible for altering chromatin structure in eukaryotes?
Which process is responsible for altering chromatin structure in eukaryotes?
What is the role of nucleosomes in gene regulation in eukaryotes?
What is the role of nucleosomes in gene regulation in eukaryotes?
What contributes to the differential expression of a gene in different tissues in eukaryotes?
What contributes to the differential expression of a gene in different tissues in eukaryotes?
Which process is important for normal development and differentiation in eukaryotes?
Which process is important for normal development and differentiation in eukaryotes?
What can be modified by exogenous influences and can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
What can be modified by exogenous influences and can contribute to or be the result of environmental alterations of phenotype in eukaryotes?
